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Know the Lingo
Active Door: The door most used when entering or leaving a home; if there are double doors, this refers to the door with an entry set knob or lever
Air Space: The amount of space between panes of windows; each layer of air (or gas) space resists heat flow; newer windows are equipped with argon or krypton gases due to the fact that they transfer less heat than air; 1.3 cm to 1.6 cm of space between panes is recommended
ASHRAE: American Society of Heating, Refrigeration and Air Conditioning Engineers
Brick Mold: Exterior trim that covers seam between jamb and wall
Caming: Metal parts of the glass design in a door; options generally include lead, brass, copper, zinc (silver) or patina (black)
Caulking: An airtight compound, generally made from latex or silicone that fills cracks and holes
Cylinder Bore: A machining procedure that requires a round hole to accommodate a standard entry set in a door; standard size is 2-1/8 in.
Door shutter: A place where double doors meet together
Glass/Heat-absorbing: Glass that contains special tints that allow it to absorb as much as 45% of the incoming solar energy
Glass/Low-emissivity (Low-E): Glass that has a special surface coating to reduce heat transfer; generally, this type of glass reflects 40% to 70% of the heat that is normally transmitted
Glass/Reflective: A glass that has been coated with a reflective film and is useful in controlling solar heat gain
Glazing: Cutting and fitting windowpanes into frames
In swing: When a door opens into the house when opened
Kiln Drying: Wood is kiln dried for 2 weeks to a moisture content of 10-12%, then has an additional week of resting to allow the wood to reabsorb the moisture in the air; this ensures that the wood regains its dimensional stability and will not warp or split
Mullion: A wood or metal part used to structurally join two window units
Orientation/Out Swing Door: A door that opens away from the inside of a building or room
Orientation/In Swing Door: A door that opens inside or towards the inside of a building or room
Orientation/Swing Door: A door that can swing open in both directions
Orientation/Sliding Door: A door that moves side to side
Rough Opening: the framed opening in a wall into which a window or door unit is to be installed
U-value: Conductance of heat; range is 1.1 to 0.3 (the lower the number, the less it will loose heat)
R-value: Resistance to heat flow; range is 0.9 to 3.0 (the higher the number, the less it will loose heat); five factors make up R-value rating (type of glazing material, number of layers of glass, size of air space between the layers of glass, thermal resistance or conductance of the frame and spacer materials, tightness of the installation); make sure the R-value listed is based on current ASHRAE standards, calculated for the entire window including the frame, and not just the center of the glass
Sidelight: Fixed panel of wood and glass next to door
Tempered Glass: Glass manufactured to withstand greater than normal forces on it surface; when shattered it breaks into small pieces to reduce hazard
Transom: A fixed piece of wood or window light mounted in the wall above the door
Weather Stripping: A narrow piece of metal, vinyl, rubber, felt or foam that seals the contact area between the fixed and movable sections of a window joint
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