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CUSTOMIZING YOUR DOOR |
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WHAT IS A SIDELIGHT?
- Sidelight: Tall, narrow, fixed or operating, sash on either or both sides of a door, to light an entry way or vestibule.
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DOOR HARDWARE |
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WHAT IS A BALL CATCH?
- Ball Catch: A spring loaded ball shaped catch on top of interior double doors to keep them in the closed position. Replaces the need for T astragal and flush bolts but precludes the use of privacy or locking hardware.
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WHAT IS A MORTISE LOCK SET?
- Mortise Lock Set: A method of mortising out the material on the edge of a door allowing the lock mechanism to be recessed in the door face.
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WHAT IS LOCK BLOCK?
- Lock Block: A solid piece of wood glued inside a hollow core door, a foam filled steel or fiberglass doors for the purposes of securing the lock set and/or deadbolt.
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DOOR INSTALLATION |
WHA IS CALL SIZE?
- Call Size: A standardized nomenclature for identifying window sizes normally in wood framed construction. The Call Size is in feet and inches.
For example: a three-oh (3' 0") opening would equate to a 3 foot, zero inch opening or 36".
A two-eight (2' 8") opening would equate to a 2 foot, 8 inch opening or 32".
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WHAT ARE CRIPPLES?
- Cripples: The short framing members used to frame under the rough sill or above the header in a rough opening for a door or window in a framed wall.
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WHAT ARE SHIMS?
- Shims: Wood edges used to secure the door or window unit in the rough or masonry opening in a square, level and plumb position during and after installation.
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WHAT IS A BEVEL?
- Bevel: The strike side edge of a door will typically be cut back so that the face of the door sits against the stop will be narrower than the reverse face (typically 3°). This is done to allow the door to close properly and still have a 1/8” reveal from the jamb.
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WHAT IS A DRIP CAP?
- Drip Cap: Molding that sits atop the brick mold and under the siding to direct the flow of water away from a door or window.
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WHAT IS A HEADER?
- Header: A heavy beam extended across the top of the rough opening for a door or window which rests on the jack studs to support the weight of the structure above it.
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WHAT IS A JAMB EXTENSION?
- Jamb Extension: Trim or finished lumber used to increase the depth of a jamb to cover the rough framing.
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WHAT IS A LINTEL?
- Lintel: Horizontal member generally in masonry or stone construction above a door or window that supports the structure above.
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WHAT IS A MORTISE LOCK SET?
- Mortise Lock Set: A method of mortising out the material on the edge of a door allowing the lock mechanism to be recessed in the door face.
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WHAT IS A NAILING FIN?
- Nailing Fin: An attachable strip or fin used to secure doors or windows to an opening.
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WHAT IS A REVEAL?
- Reveal: The margin visible between the sash of a door and the inside of the frame or jamb. If the reveal is straight and equal on all sides, it indicates the unit is square and fits properly.
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WHAT IS A ROUGH OPENING?
- Rough Opening: The opening left in a frame wall to receive a door or window unit. It is formed by the jack studs on each side, which supports the header across the top. In a window the rough sill at the bottom is supported by cripples studs.
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WHAT IS A STUD?
- Stud: A framing member that is used vertically between the sole plate and the top plate, typically made of wood 2” x 4” or 2” x 6”
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WHAT IS A THRESHOLD?
- Threshold: The bottom wood or metal plate below an exterior door to make weather tight seal, two common types are adjustable and bumper.
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WHAT IS BOCA?
- BOCA: Building Officials and Code Administrators.
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WHAT IS BRICK MOLD (MOULD)?
- Brick Molding: Outside easing around a window or door to cover the gap between the frame of the unit and the rough frame opening of the house.
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WHAT IS CASING?
- Casing: A decorative molding that covers the inside edge of the jambs and the rough opening between a door or window unit, and the wall.
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WHAT IS CONVECTION?
- Convection: Warm air comes in contact with a cool surface. This warm air cools, becomes more dense and drops toward the floor; warmer air rushes in to replace this cooled air and self-perpetuating cycle is formed, often felt as a draft.
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WHAT IS ENERGY STAR(R)?
- Energy Star(R): A voluntary partnership between the Department of Energy and the building industry to raise customer awareness of energy efficient products.
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WHAT IS FENESTRATION?
- Fenestration: The placement of door and window openings in a wall or roof in association with interior and exterior elements including light, ventilation, view and design aesthetics.
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WHAT IS FLANGE?
- Flange: Rigid metal around a door or window used for masonry construction. Typically it extends 1” overall in width and height past unit dimension and will sit against the exterior of the wood buck.
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WHAT IS INSTALLATION FLANGE?
- Installation Flange: A meal or plastic flange inserted into or an integral part of the jambs of a window unit, which is used for installing in masonry; commonly referred to as ‘nailing flange’.
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WHAT IS JACK STUD?
- Jack Stud: Framing members, which form the inside of a window or door rough opening and supports the header above.
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WHAT IS JAMB DEPTH?
- Jamb Depth: The measurements from the outside of the exterior sheathing to the inside of the drywall.
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WHAT IS MILLWORK?
- Millwork: A term used to describe those products which are primary manufactured from lumber in a planning mill or woodworking plant. Examples include moldings, door frames and entrances, blinds and shutters, sash and window units, doors, stair-work, kitchen cabinets, mantels, china or corner cabinets and woodwork.
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WHAT IS RETROFIT?
- Retrofit: A door or window that is designed to take the place of an existing unit. Often undersized to minimize the amount of labor to install.
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WHAT IS THE BUCK OPENING?
- Buck Opening: The opening in a wall formed by the rough framing members. When Bucks are used the Buck Opening it then becomes the Rough Opening.
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WHAT IS THE MASONRY OPENING?
- Masonry Opening: The opening in a masonry wall to accept a door or window unit, the same as a rough opening in a wood framed wall.
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WHAT IS TIP TO TOP (TTT)?
- Tip To Tip (TTT): A term that refers to measuring a product from its outer most points. Some times referred to as ‘unit dimension’ in units designed for wood frame construction.
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WHAT IS TOP PLATE?
- Top Plate: The horizontal framing member that is on top and receives the vertical wall studs.
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WHAT IS TRIMMER STUD?
- Trimmer Stud: Vertical stud that supports the header or rough sill.
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WHAT IS UNIT DIMENSION?
- Unit Dimension: The dimension of the product including its jamb or frame. Not to be confused with TTT in units designed for block construction or Rough Opening. Sometimes referred to as Net Unit Dimension.
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WHAT IS WEATHER-STRIP?
- Weather-stripping: A resilient material for covering the space between a sash or door and the frame. Used to increase energy efficiency.
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WHAT IS WIND LOAD?
- Wind Load: The products ability to withstand the positive and negative pressures that build up in severe weather conditions.
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DOOR JAMBS |
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WHAT IS A FINGER JOINT?
- Finger Joint: The process by which imperfections in rough lumber are removed and the subsequent shorter pieces are then glued together to provide long lengths of moldings without knot holes, wane or other blemishes. Also may be referred to as ‘paint grade’.
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WHAT IS A JAMB EXTENSION?
- Jamb Extension: Trim or finished lumber used to increase the depth of a jamb to cover the rough framing.
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WHAT IS A RABBET?
- Rabbet: A “L” shaped groove cut in the edge of door jamb, which the door will close against.
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WHAT IS A STUD?
- Stud: A framing member that is used vertically between the sole plate and the top plate, typically made of wood 2” x 4” or 2” x 6”
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WHAT IS A THRESHOLD?
- Threshold: The bottom wood or metal plate below an exterior door to make weather tight seal, two common types are adjustable and bumper.
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WHAT IS JAMB DEPTH?
- Jamb Depth: The measurements from the outside of the exterior sheathing to the inside of the drywall.
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DOOR MAINTENANCE |
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WHAT IS CONDENSATION?
- Condensation: Formation of moisture on a surface as a result of excessive moisture inside a home. Three conditions effect condensation – humidity, inside temperature and outside temperature.
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DOOR MATERIALS |
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WHAT ARE PRAIRIE GRILLES?
- Prairie Grilles: A grille pattern that has nine lites, where the center pane is larger then the other eight. The four corners are the equal in dimension, while the remaining four lites are rectangular in shape.
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WHAT IS A CLAD DOOR?
- Clad: Usually vinyl or aluminum material used to cover wood products in order to provide a low maintenance exterior.
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WHAT IS A FINGER JOINT?
- Finger Joint: The process by which imperfections in rough lumber are removed and the subsequent shorter pieces are then glued together to provide long lengths of moldings without knot holes, wane or other blemishes. Also may be referred to as ‘paint grade’.
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WHAT IS A LITE?
- Lite: A framed opening in a door or sash containing a pane of glass; lite or divided lite.
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WHAT IS A RAIL?
- Rails: The horizontal top and bottom members of a door panel.
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WHAT IS ENGINEERED STAVE CORE?
- Engineered Stave Core: A solid core door that has been made using smaller pieces of lumber that are glued together with grains running in opposing directions to provide high stability resulting in less warping and twisting. A veneer is then glued to the face and often the edges to give a clean and consistent area to finish. This is the most common type of solid core hardwood doors.
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WHAT IS FIBERGLASS?
- Fiberglass: A composite material made from embedded glass fibers in polymer. When referring to millwork products, fiberglass can be stained with a gel stain to give the appearance of real wood or may be painted.
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WHAT IS GLASS?
- Glass: A transparent material made from sand, sodium carbonate and lime with small quantities of alumina, boric or magnesia oxides.
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WHAT IS GLAZING?
- Glazing: Glass or plastic panes in a door or window.
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WHAT IS HARDWOOD?
- Hardwood: A botanical group of trees that have broad leaves that are usually shed each year. (deciduous)
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WHAT IS INSULATED GLASS?
- Insulated Glass: Two panes of glass hermetically sealed to form a single unit with air spaces in between.
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WHAT IS LAMINATED GLASS?
- Laminated Glass: Two or more layers of glass, usually plate, with inner layers of tough transparent plastic, bonded tightly together with the aid of heat and pressure.
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WHAT IS LOCK BLOCK?
- Lock Block: A solid piece of wood glued inside a hollow core door, a foam filled steel or fiberglass doors for the purposes of securing the lock set and/or deadbolt.
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WHAT IS LOW-E GLASS?
- Low-E Glass: A term used to refer to glass which has low emissivity due to a film or metallic coating on the glass to restrict the passage of radiant heat. Low emmissivity essentially means that the glass will reflect radiant heat back to its source thereby lowering heating and cooling costs.
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WHAT IS MILLWORK?
- Millwork: A term used to describe those products which are primary manufactured from lumber in a planning mill or woodworking plant. Examples include moldings, door frames and entrances, blinds and shutters, sash and window units, doors, stair-work, kitchen cabinets, mantels, china or corner cabinets and woodwork.
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WHAT IS MORTISE AND TENON?
- Mortise and tenon: One of the stronger types of joints in millwork products where one member will fit over the other allowing 5 surfaces of the wood to be in contact with one another.
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WHAT IS MUNTIN?
- Muntin: The material used to physically divide lites of glass producing a true divided lite.
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WHAT IS OBSCURE GLASS?
- Obscure Glass: Textured glass used for privacy, diffusion of light or decoration.
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WHAT IS SAFETY GLASS?
- Safety Glass: Glass that has been strengthened or reinforced to make it more difficult to break or splinter.
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WHAT IS SOFTWOOD?
- Softwood: A botanical group of trees that usually have needle like leaves that will not shed each year (conifer).
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WHAT IS TDL?
- TDL: True Divided Lite - individual panes of glass that are separated by Muntin Strips
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WHAT IS TEMPERED GLASS?
- Tempered Glass: Plate glass with increased mechanical strength by heating it to just below the melting point and then suddenly cooling it. When shattered it breaks into small pieces. It is required as safety glazing in patio doors.
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WHAT IS TINTED GLASS?
- Tinted Glass: Glass that is shaded by adding a mineral mixture to the molten glass that absorbs radiant heat and reduces visual light.
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WHAT IS TRIPLE GLASS?
- Triple Glass: Three panes of glass with an air space between each pane.
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WHAT IS VENEER?
- Veneer: A wafer thin slice of lumber typically peeled off a log and is often used as a facing for Engineered Stave Core doors as well as other uses.
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WHAT IS VINYL?
- Vinyl: Polyvinyl chloride which can be manufactured as a rigid or flexible material often used as a frame material for doors or windows as well as other millwork products.
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DOOR REPAIR |
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WHAT IS CONDENSATION?
- Condensation: Formation of moisture on a surface as a result of excessive moisture inside a home. Three conditions effect condensation – humidity, inside temperature and outside temperature.
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DOOR WARRANTIES |
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WHAT IS CONDENSATION?
- Condensation: Formation of moisture on a surface as a result of excessive moisture inside a home. Three conditions effect condensation – humidity, inside temperature and outside temperature.
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ENVIRONMENTAL CONCERNS |
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WHAT IS ENERGY STAR(R)?
- Energy Star(R): A voluntary partnership between the Department of Energy and the building industry to raise customer awareness of energy efficient products.
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WHAT IS R-VALUE?
- R-Value: An industry measurement of the resistance to heat flow through a given material. The higher the R-Value, the greater the resistances to heat flow.
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WHAT IS U-VALUE (U-FACTOR)?
- U-Value (U-Factor): The non-solar heat transfer rate through a combination of materials, it is measured by the BTU’s per hour per square foot per degree of temperature difference. The lower the value, the lower the heat transfer.
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GATES, SCREENS & STORM DOORS |
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WHAT IS A STORM DOOR?
- Storm Door: A paned door that typically is on the exterior of a primary door to provide additional protection from the elements and increase energy efficiency.
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GLASS DOORS |
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WHAT ARE COLONIAL GRILLS?
- Colonial Grills: Divided lite appearance where all ‘panes’ are of equal sizes.
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WHAT ARE GRILLES?
- Grilles: Ornamental or simulated muntins and bars which don’t actually divide the lights of glass. Generally made of plastic or wood and fit on the inside or outside of the sash against the glass or between the panes of insulated glass. Grilles do not necessarily have to be removeable and generally are only on one side of the glass.
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WHAT ARE PRAIRIE GRILLES?
- Prairie Grilles: A grille pattern that has nine lites, where the center pane is larger then the other eight. The four corners are the equal in dimension, while the remaining four lites are rectangular in shape.
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WHAT IS A DIVIDED LIGHT?
- Divided Lights: Door or window or panes separated by bars, grilles, or muntins.
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WHAT IS A LITE?
- Lite: A framed opening in a door or sash containing a pane of glass; lite or divided lite.
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WHAT IS A SIDELIGHT?
- Sidelight: Tall, narrow, fixed or operating, sash on either or both sides of a door, to light an entry way or vestibule.
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WHAT IS CAME (CAMING)?
- Came: Decorative metal which separates smaller pieces of glass, often used in triple pane glass inserts, normally zinc, lead or brass.
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WHAT IS CONDENSATION?
- Condensation: Formation of moisture on a surface as a result of excessive moisture inside a home. Three conditions effect condensation – humidity, inside temperature and outside temperature.
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WHAT IS DESICCANT
- Desicccant: A porous crystalline substance used to absorb moisture within the sealed airspace of an insulated glass unit.
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WHAT IS DOUBLE-GLAZED?
- Double-Glazed: Two pieces of glass separated by an airspace to improve insulation against heat transfer.
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WHAT IS DSG?
- DSG: Double Strength Glass.
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WHAT IS ELECTROCHROMIC GLAZING?
- Electrochromic Glazing: Low voltage currents are used to change the optical properties to vary the glazing from light to dark.
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WHAT IS ENERGY STAR(R)?
- Energy Star(R): A voluntary partnership between the Department of Energy and the building industry to raise customer awareness of energy efficient products.
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WHAT IS FLOAT GLASS?
- Float Glass: The process of making glass by floating the material on top of molten metal. Produces a high quality without the need for polishing.
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WHAT IS GBG?
- GBG: Grills between Glass (also known as GIA). Where the grills are sandwiched between the glass.
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WHAT IS GLAZING BEAD?
- Glazing Bead: A molding or stop that surrounds the glazing to hold it in place, preferably to make weather tight seal.
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WHAT IS GLAZING?
- Glazing: Glass or plastic panes in a door or window.
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WHAT IS INSULATED GLASS?
- Insulated Glass: Two panes of glass hermetically sealed to form a single unit with air spaces in between.
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WHAT IS KRYPTON GAS?
- Krypton Gas: An inert, non-toxic gas used in insulated glass to reduce the amount of heat transfer. Often used in place of argon gas when a higher insulating value is required.
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WHAT IS LAMINATED GLASS?
- Laminated Glass: Two or more layers of glass, usually plate, with inner layers of tough transparent plastic, bonded tightly together with the aid of heat and pressure.
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WHAT IS LOW-E GLASS?
- Low-E Glass: A term used to refer to glass which has low emissivity due to a film or metallic coating on the glass to restrict the passage of radiant heat. Low emmissivity essentially means that the glass will reflect radiant heat back to its source thereby lowering heating and cooling costs.
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WHAT IS MULLION?
- Mullion: The vertical or horizontal division of joints between single windows in multiple unit.
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WHAT IS MUNTIN?
- Muntin: The material used to physically divide lites of glass producing a true divided lite.
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WHAT IS OBSCURE GLASS?
- Obscure Glass: Textured glass used for privacy, diffusion of light or decoration.
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WHAT IS SAFETY GLASS?
- Safety Glass: Glass that has been strengthened or reinforced to make it more difficult to break or splinter.
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WHAT IS SIMULATED DIVIDED LITE (SDL)?
- Simulated Divided Lite (SDL): Grilles applied to the interior and exterior surfaces of insulated glass with interior spacer bars mirroring to mimic the look of true divided windows, giving the appearance of small panes of glass separated by muntins.
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WHAT IS SSG?
- SSG: Single Strength Glass
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WHAT IS TDL?
- TDL: True Divided Lite - individual panes of glass that are separated by Muntin Strips
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WHAT IS TEMPERED GLASS?
- Tempered Glass: Plate glass with increased mechanical strength by heating it to just below the melting point and then suddenly cooling it. When shattered it breaks into small pieces. It is required as safety glazing in patio doors.
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WHAT IS TINTED GLASS?
- Tinted Glass: Glass that is shaded by adding a mineral mixture to the molten glass that absorbs radiant heat and reduces visual light.
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WHAT IS TRIPLE GLASS?
- Triple Glass: Three panes of glass with an air space between each pane.
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WHAT IS ULTRA-VIOLET (UV) LIGHT?
- Ultra-Violet Light (UV): The rays of the light spectrum that are outside of the visible spectrum at its short-wavelength violet end. These rays cause fading of carpets, drapes furniture, etc.
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WHAT IS VISIBLE LIGHT?
- Visible Light: That portion of the light spectrum that can be seen with the naked eye.
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WHAT IS VISIBLE TRANSMITTANCE?
- Visible Transmittance: The percentage of the visible spectrum that is passed through the glazing.
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GLOSSARY |
WHA IS CALL SIZE?
- Call Size: A standardized nomenclature for identifying window sizes normally in wood framed construction. The Call Size is in feet and inches.
For example: a three-oh (3' 0") opening would equate to a 3 foot, zero inch opening or 36".
A two-eight (2' 8") opening would equate to a 2 foot, 8 inch opening or 32".
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WHAT ARE COLONIAL GRILLS?
- Colonial Grills: Divided lite appearance where all ‘panes’ are of equal sizes.
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WHAT ARE CRIPPLES?
- Cripples: The short framing members used to frame under the rough sill or above the header in a rough opening for a door or window in a framed wall.
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WHAT ARE GRILLES?
- Grilles: Ornamental or simulated muntins and bars which don’t actually divide the lights of glass. Generally made of plastic or wood and fit on the inside or outside of the sash against the glass or between the panes of insulated glass. Grilles do not necessarily have to be removeable and generally are only on one side of the glass.
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WHAT ARE PRAIRIE GRILLES?
- Prairie Grilles: A grille pattern that has nine lites, where the center pane is larger then the other eight. The four corners are the equal in dimension, while the remaining four lites are rectangular in shape.
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WHAT ARE SHIMS?
- Shims: Wood edges used to secure the door or window unit in the rough or masonry opening in a square, level and plumb position during and after installation.
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WHAT IS A BALL CATCH?
- Ball Catch: A spring loaded ball shaped catch on top of interior double doors to keep them in the closed position. Replaces the need for T astragal and flush bolts but precludes the use of privacy or locking hardware.
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WHAT IS A BEVEL?
- Bevel: The strike side edge of a door will typically be cut back so that the face of the door sits against the stop will be narrower than the reverse face (typically 3°). This is done to allow the door to close properly and still have a 1/8” reveal from the jamb.
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WHAT IS A CLAD DOOR?
- Clad: Usually vinyl or aluminum material used to cover wood products in order to provide a low maintenance exterior.
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WHAT IS A DIVIDED LIGHT?
- Divided Lights: Door or window or panes separated by bars, grilles, or muntins.
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WHAT IS A DRIP CAP?
- Drip Cap: Molding that sits atop the brick mold and under the siding to direct the flow of water away from a door or window.
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WHAT IS A FINGER JOINT?
- Finger Joint: The process by which imperfections in rough lumber are removed and the subsequent shorter pieces are then glued together to provide long lengths of moldings without knot holes, wane or other blemishes. Also may be referred to as ‘paint grade’.
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WHAT IS A FRAME?
- Frame: Parts, which enclose the door panel or window sash.
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WHAT IS A FRENCH DOOR?
- French Door: A term often used to describe a door with a full panel of glass. Usually there will be a divided lite look (either TDL or SDL). Sometimes used to mean Double Door.
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WHAT IS A HEADER?
- Header: A heavy beam extended across the top of the rough opening for a door or window which rests on the jack studs to support the weight of the structure above it.
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WHAT IS A JAMB EXTENSION?
- Jamb Extension: Trim or finished lumber used to increase the depth of a jamb to cover the rough framing.
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WHAT IS A LINTEL?
- Lintel: Horizontal member generally in masonry or stone construction above a door or window that supports the structure above.
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WHAT IS A LITE?
- Lite: A framed opening in a door or sash containing a pane of glass; lite or divided lite.
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WHAT IS A LOUVERED DOOR?
- Louvered Door: A door with slats that are used to allow air to ventilate. Care must be used when ordering a pre-hung unit to ensure that the louvers are slanted the proper direction for aesthetic value and privacy.
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WHAT IS A MORTISE LOCK SET?
- Mortise Lock Set: A method of mortising out the material on the edge of a door allowing the lock mechanism to be recessed in the door face.
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WHAT IS A NAILING FIN?
- Nailing Fin: An attachable strip or fin used to secure doors or windows to an opening.
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WHAT IS A RABBET?
- Rabbet: A “L” shaped groove cut in the edge of door jamb, which the door will close against.
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WHAT IS A RAIL?
- Rails: The horizontal top and bottom members of a door panel.
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WHAT IS A REVEAL?
- Reveal: The margin visible between the sash of a door and the inside of the frame or jamb. If the reveal is straight and equal on all sides, it indicates the unit is square and fits properly.
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WHAT IS A ROUGH OPENING?
- Rough Opening: The opening left in a frame wall to receive a door or window unit. It is formed by the jack studs on each side, which supports the header across the top. In a window the rough sill at the bottom is supported by cripples studs.
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WHAT IS A SIDELIGHT?
- Sidelight: Tall, narrow, fixed or operating, sash on either or both sides of a door, to light an entry way or vestibule.
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WHAT IS A SLAB?
- Slab: A door that has not received and hinge or lock preparation nor attached to a frame.
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WHAT IS A SLIDING GLASS DOOR?
- Sliding Glass Door: A horizontally rolling door that passes by stationary panels of glass.
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WHAT IS A STILE?
- Stile: The vertical side members of a door panel.
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WHAT IS A STOP MATERIAL?
- Stop: A trip member used to secure panels or a sash into an opening.
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WHAT IS A STORM DOOR?
- Storm Door: A paned door that typically is on the exterior of a primary door to provide additional protection from the elements and increase energy efficiency.
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WHAT IS A STUD?
- Stud: A framing member that is used vertically between the sole plate and the top plate, typically made of wood 2” x 4” or 2” x 6”
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WHAT IS A THRESHOLD?
- Threshold: The bottom wood or metal plate below an exterior door to make weather tight seal, two common types are adjustable and bumper.
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WHAT IS ADA-AG
- ADA-AG: Americans with Disabilities Act Accessibility Guidelines
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WHAT IS AN ACCORDION DOOR
- Accordion Door: A door that will fold against itself to one or both sides, normally made of vinyl but wood or glass with wood are available
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WHAT IS AN ASTRAGAL?
- Astragal: A molding attached to one of a pair of doors that fixes one door in place through the use of flush or surface bolts to allow the use of active hardware on the other door. Also to prevent air infiltration.
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WHAT IS ARGON GAS?
- Argon Gas: A dense inert gas used in insulated glass units to reduce the energy loss through convection and also prevents soft coat LowE from oxidation. (see Krypton Gas)
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WHAT IS BOCA?
- BOCA: Building Officials and Code Administrators.
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WHAT IS BRICK MOLD (MOULD)?
- Brick Molding: Outside easing around a window or door to cover the gap between the frame of the unit and the rough frame opening of the house.
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WHAT IS CAME (CAMING)?
- Came: Decorative metal which separates smaller pieces of glass, often used in triple pane glass inserts, normally zinc, lead or brass.
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WHAT IS CASING?
- Casing: A decorative molding that covers the inside edge of the jambs and the rough opening between a door or window unit, and the wall.
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WHAT IS CENTER SWING
- Center Swing: A double door hinged in the center so that in the open position it folds against itself.
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WHAT IS CONDENSATION?
- Condensation: Formation of moisture on a surface as a result of excessive moisture inside a home. Three conditions effect condensation – humidity, inside temperature and outside temperature.
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WHAT IS CONVECTION?
- Convection: Warm air comes in contact with a cool surface. This warm air cools, becomes more dense and drops toward the floor; warmer air rushes in to replace this cooled air and self-perpetuating cycle is formed, often felt as a draft.
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WHAT IS DESICCANT
- Desicccant: A porous crystalline substance used to absorb moisture within the sealed airspace of an insulated glass unit.
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WHAT IS DOUBLE-GLAZED?
- Double-Glazed: Two pieces of glass separated by an airspace to improve insulation against heat transfer.
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WHAT IS DSG?
- DSG: Double Strength Glass.
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WHAT IS EGRESS?
- Egress: A secondary means of escape, which is determined by NFPA. Typically it includes a minimum of 20” in width, 24” in height and at least 5.7 square feet and no more the 44” from the floor.
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WHAT IS ELECTROCHROMIC GLAZING?
- Electrochromic Glazing: Low voltage currents are used to change the optical properties to vary the glazing from light to dark.
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WHAT IS ENERGY STAR(R)?
- Energy Star(R): A voluntary partnership between the Department of Energy and the building industry to raise customer awareness of energy efficient products.
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WHAT IS ENGINEERED STAVE CORE?
- Engineered Stave Core: A solid core door that has been made using smaller pieces of lumber that are glued together with grains running in opposing directions to provide high stability resulting in less warping and twisting. A veneer is then glued to the face and often the edges to give a clean and consistent area to finish. This is the most common type of solid core hardwood doors.
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WHAT IS FENESTRATION?
- Fenestration: The placement of door and window openings in a wall or roof in association with interior and exterior elements including light, ventilation, view and design aesthetics.
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WHAT IS FIBERGLASS?
- Fiberglass: A composite material made from embedded glass fibers in polymer. When referring to millwork products, fiberglass can be stained with a gel stain to give the appearance of real wood or may be painted.
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WHAT IS FLANGE?
- Flange: Rigid metal around a door or window used for masonry construction. Typically it extends 1” overall in width and height past unit dimension and will sit against the exterior of the wood buck.
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WHAT IS FLOAT GLASS?
- Float Glass: The process of making glass by floating the material on top of molten metal. Produces a high quality without the need for polishing.
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WHAT IS GBG?
- GBG: Grills between Glass (also known as GIA). Where the grills are sandwiched between the glass.
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WHAT IS GLASS?
- Glass: A transparent material made from sand, sodium carbonate and lime with small quantities of alumina, boric or magnesia oxides.
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WHAT IS GLAZING BEAD?
- Glazing Bead: A molding or stop that surrounds the glazing to hold it in place, preferably to make weather tight seal.
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WHAT IS GLAZING?
- Glazing: Glass or plastic panes in a door or window.
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WHAT IS HARDWOOD?
- Hardwood: A botanical group of trees that have broad leaves that are usually shed each year. (deciduous)
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WHAT IS INSTALLATION FLANGE?
- Installation Flange: A meal or plastic flange inserted into or an integral part of the jambs of a window unit, which is used for installing in masonry; commonly referred to as ‘nailing flange’.
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WHAT IS INSULATED GLASS?
- Insulated Glass: Two panes of glass hermetically sealed to form a single unit with air spaces in between.
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WHAT IS JACK STUD?
- Jack Stud: Framing members, which form the inside of a window or door rough opening and supports the header above.
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WHAT IS JAMB DEPTH?
- Jamb Depth: The measurements from the outside of the exterior sheathing to the inside of the drywall.
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WHAT IS JAMB SIZE?
- Jamb Size: The size of a door or window measured from the outside of the jamb or frame in width and height.
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WHAT IS KRYPTON GAS?
- Krypton Gas: An inert, non-toxic gas used in insulated glass to reduce the amount of heat transfer. Often used in place of argon gas when a higher insulating value is required.
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WHAT IS LAMINATED GLASS?
- Laminated Glass: Two or more layers of glass, usually plate, with inner layers of tough transparent plastic, bonded tightly together with the aid of heat and pressure.
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WHAT IS LOCK BLOCK?
- Lock Block: A solid piece of wood glued inside a hollow core door, a foam filled steel or fiberglass doors for the purposes of securing the lock set and/or deadbolt.
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WHAT IS LOW-E GLASS?
- Low-E Glass: A term used to refer to glass which has low emissivity due to a film or metallic coating on the glass to restrict the passage of radiant heat. Low emmissivity essentially means that the glass will reflect radiant heat back to its source thereby lowering heating and cooling costs.
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WHAT IS MILLWORK?
- Millwork: A term used to describe those products which are primary manufactured from lumber in a planning mill or woodworking plant. Examples include moldings, door frames and entrances, blinds and shutters, sash and window units, doors, stair-work, kitchen cabinets, mantels, china or corner cabinets and woodwork.
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WHAT IS MORTISE AND TENON?
- Mortise and tenon: One of the stronger types of joints in millwork products where one member will fit over the other allowing 5 surfaces of the wood to be in contact with one another.
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WHAT IS MULLION?
- Mullion: The vertical or horizontal division of joints between single windows in multiple unit.
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WHAT IS MUNTIN?
- Muntin: The material used to physically divide lites of glass producing a true divided lite.
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WHAT IS NEW CONSTRUCTION?
- New Construction: A millwork product that is installed at the time of original construction of the structure.
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WHAT IS NOMINAL SIZE?
- Nominal Size: The name or Call Size of a door or window, normally differing from the rough opening.
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WHAT IS OBSCURE GLASS?
- Obscure Glass: Textured glass used for privacy, diffusion of light or decoration.
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WHAT IS R-VALUE?
- R-Value: An industry measurement of the resistance to heat flow through a given material. The higher the R-Value, the greater the resistances to heat flow.
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WHAT IS RETROFIT?
- Retrofit: A door or window that is designed to take the place of an existing unit. Often undersized to minimize the amount of labor to install.
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WHAT IS SAFETY GLASS?
- Safety Glass: Glass that has been strengthened or reinforced to make it more difficult to break or splinter.
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WHAT IS SIMULATED DIVIDED LITE (SDL)?
- Simulated Divided Lite (SDL): Grilles applied to the interior and exterior surfaces of insulated glass with interior spacer bars mirroring to mimic the look of true divided windows, giving the appearance of small panes of glass separated by muntins.
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WHAT IS SOFTWOOD?
- Softwood: A botanical group of trees that usually have needle like leaves that will not shed each year (conifer).
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WHAT IS SSG?
- SSG: Single Strength Glass
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WHAT IS TDL?
- TDL: True Divided Lite - individual panes of glass that are separated by Muntin Strips
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WHAT IS TEMPERED GLASS?
- Tempered Glass: Plate glass with increased mechanical strength by heating it to just below the melting point and then suddenly cooling it. When shattered it breaks into small pieces. It is required as safety glazing in patio doors.
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WHAT IS THE BUCK OPENING?
- Buck Opening: The opening in a wall formed by the rough framing members. When Bucks are used the Buck Opening it then becomes the Rough Opening.
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WHAT IS THE MASONRY OPENING?
- Masonry Opening: The opening in a masonry wall to accept a door or window unit, the same as a rough opening in a wood framed wall.
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WHAT IS TINTED GLASS?
- Tinted Glass: Glass that is shaded by adding a mineral mixture to the molten glass that absorbs radiant heat and reduces visual light.
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WHAT IS TIP TO TOP (TTT)?
- Tip To Tip (TTT): A term that refers to measuring a product from its outer most points. Some times referred to as ‘unit dimension’ in units designed for wood frame construction.
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WHAT IS TOP PLATE?
- Top Plate: The horizontal framing member that is on top and receives the vertical wall studs.
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WHAT IS TORSION SPRING?
- Torsion Spring: A coiled spring mounted above garage doors the act as a counter balance to the door, allowing it to open easily and to stay in an open position.
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WHAT IS TRANSOM?
- Transom: Referring to a window or glass above a doorway for the same purpose as a sidelight.
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WHAT IS TRIMMER STUD?
- Trimmer Stud: Vertical stud that supports the header or rough sill.
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WHAT IS TRIPLE GLASS?
- Triple Glass: Three panes of glass with an air space between each pane.
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WHAT IS U-VALUE (U-FACTOR)?
- U-Value (U-Factor): The non-solar heat transfer rate through a combination of materials, it is measured by the BTU’s per hour per square foot per degree of temperature difference. The lower the value, the lower the heat transfer.
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WHAT IS ULTRA-VIOLET (UV) LIGHT?
- Ultra-Violet Light (UV): The rays of the light spectrum that are outside of the visible spectrum at its short-wavelength violet end. These rays cause fading of carpets, drapes furniture, etc.
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WHAT IS UNIT DIMENSION?
- Unit Dimension: The dimension of the product including its jamb or frame. Not to be confused with TTT in units designed for block construction or Rough Opening. Sometimes referred to as Net Unit Dimension.
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WHAT IS VENEER?
- Veneer: A wafer thin slice of lumber typically peeled off a log and is often used as a facing for Engineered Stave Core doors as well as other uses.
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WHAT IS VINYL?
- Vinyl: Polyvinyl chloride which can be manufactured as a rigid or flexible material often used as a frame material for doors or windows as well as other millwork products.
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WHAT IS VISIBLE LIGHT?
- Visible Light: That portion of the light spectrum that can be seen with the naked eye.
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WHAT IS VISIBLE TRANSMITTANCE?
- Visible Transmittance: The percentage of the visible spectrum that is passed through the glazing.
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WHAT IS WDMA?
- WDMA: Window and Door Manufacturing Association
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WHAT IS WEATHER-STRIP?
- Weather-stripping: A resilient material for covering the space between a sash or door and the frame. Used to increase energy efficiency.
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WHAT IS WIND LOAD?
- Wind Load: The products ability to withstand the positive and negative pressures that build up in severe weather conditions.
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HIRING A PRO |
WHA IS CALL SIZE?
- Call Size: A standardized nomenclature for identifying window sizes normally in wood framed construction. The Call Size is in feet and inches.
For example: a three-oh (3' 0") opening would equate to a 3 foot, zero inch opening or 36".
A two-eight (2' 8") opening would equate to a 2 foot, 8 inch opening or 32".
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WHAT IS A REVEAL?
- Reveal: The margin visible between the sash of a door and the inside of the frame or jamb. If the reveal is straight and equal on all sides, it indicates the unit is square and fits properly.
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WHAT IS A ROUGH OPENING?
- Rough Opening: The opening left in a frame wall to receive a door or window unit. It is formed by the jack studs on each side, which supports the header across the top. In a window the rough sill at the bottom is supported by cripples studs.
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WHAT IS BOCA?
- BOCA: Building Officials and Code Administrators.
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WHAT IS MILLWORK?
- Millwork: A term used to describe those products which are primary manufactured from lumber in a planning mill or woodworking plant. Examples include moldings, door frames and entrances, blinds and shutters, sash and window units, doors, stair-work, kitchen cabinets, mantels, china or corner cabinets and woodwork.
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PARTS OF A DOOR |
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WHAT IS A BEVEL?
- Bevel: The strike side edge of a door will typically be cut back so that the face of the door sits against the stop will be narrower than the reverse face (typically 3°). This is done to allow the door to close properly and still have a 1/8” reveal from the jamb.
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WHAT IS A FRAME?
- Frame: Parts, which enclose the door panel or window sash.
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WHAT IS A RAIL?
- Rails: The horizontal top and bottom members of a door panel.
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WHAT IS A SIDELIGHT?
- Sidelight: Tall, narrow, fixed or operating, sash on either or both sides of a door, to light an entry way or vestibule.
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WHAT IS A STILE?
- Stile: The vertical side members of a door panel.
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WHAT IS A STOP MATERIAL?
- Stop: A trip member used to secure panels or a sash into an opening.
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WHAT IS A THRESHOLD?
- Threshold: The bottom wood or metal plate below an exterior door to make weather tight seal, two common types are adjustable and bumper.
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WHAT IS AN ASTRAGAL?
- Astragal: A molding attached to one of a pair of doors that fixes one door in place through the use of flush or surface bolts to allow the use of active hardware on the other door. Also to prevent air infiltration.
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WHAT IS CAME (CAMING)?
- Came: Decorative metal which separates smaller pieces of glass, often used in triple pane glass inserts, normally zinc, lead or brass.
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WHAT IS LOCK BLOCK?
- Lock Block: A solid piece of wood glued inside a hollow core door, a foam filled steel or fiberglass doors for the purposes of securing the lock set and/or deadbolt.
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WHAT IS TRANSOM?
- Transom: Referring to a window or glass above a doorway for the same purpose as a sidelight.
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WHAT IS WEATHER-STRIP?
- Weather-stripping: A resilient material for covering the space between a sash or door and the frame. Used to increase energy efficiency.
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TYPES OF DOORS |
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WHAT ARE COLONIAL GRILLS?
- Colonial Grills: Divided lite appearance where all ‘panes’ are of equal sizes.
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WHAT IS A CLAD DOOR?
- Clad: Usually vinyl or aluminum material used to cover wood products in order to provide a low maintenance exterior.
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WHAT IS A DIVIDED LIGHT?
- Divided Lights: Door or window or panes separated by bars, grilles, or muntins.
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WHAT IS A FRENCH DOOR?
- French Door: A term often used to describe a door with a full panel of glass. Usually there will be a divided lite look (either TDL or SDL). Sometimes used to mean Double Door.
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WHAT IS A LOUVERED DOOR?
- Louvered Door: A door with slats that are used to allow air to ventilate. Care must be used when ordering a pre-hung unit to ensure that the louvers are slanted the proper direction for aesthetic value and privacy.
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WHAT IS A SLAB?
- Slab: A door that has not received and hinge or lock preparation nor attached to a frame.
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WHAT IS A SLIDING GLASS DOOR?
- Sliding Glass Door: A horizontally rolling door that passes by stationary panels of glass.
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WHAT IS A STORM DOOR?
- Storm Door: A paned door that typically is on the exterior of a primary door to provide additional protection from the elements and increase energy efficiency.
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WHAT IS AN ACCORDION DOOR
- Accordion Door: A door that will fold against itself to one or both sides, normally made of vinyl but wood or glass with wood are available
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WHAT IS ENERGY STAR(R)?
- Energy Star(R): A voluntary partnership between the Department of Energy and the building industry to raise customer awareness of energy efficient products.
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WHAT IS ENGINEERED STAVE CORE?
- Engineered Stave Core: A solid core door that has been made using smaller pieces of lumber that are glued together with grains running in opposing directions to provide high stability resulting in less warping and twisting. A veneer is then glued to the face and often the edges to give a clean and consistent area to finish. This is the most common type of solid core hardwood doors.
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WHAT IS TRANSOM?
- Transom: Referring to a window or glass above a doorway for the same purpose as a sidelight.
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WHERE TO BUY A DOOR |
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WHAT IS A CLAD DOOR?
- Clad: Usually vinyl or aluminum material used to cover wood products in order to provide a low maintenance exterior.
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