Glossary

[A]  [B]  [C]  [D]  [E]  [F]  [G]  [H]  [I]  [J]  [K]  [L]  [M]  [N]  [O]  [P]  [Q]  [R]  [S]  [T]  [U]  [V]  [W]  [X]  [Y]  [Z]

   
Above Grade The portion of a building that is above ground level.
Acre 43,500 square feet.
A/C Circuit (Alternating Current) The flow of current through a conductor first in one direction then in reverse. It is used exclusively in residential and commercial wiring because it provides greater flexibility in voltage selection and simplicity of equipment design.
Accelerator Any material added to stucco, plaster or mortar which speeds up the natural set.
Adhesion The property of a coating or sealant to bond to the surface to which it is applied.
Adhesion Failure Loss of bond of a coating or sealant from the surface to which it is applied.
Aggregate Crushed stone, slag or water-worn gravel that comes in a wide range of sizes that is used to surface built-up roofs.
Air-Dried Lumber Lumber that has been piled in yards or sheds for any length of time. For the United States as a whole, the minimum moisture content of thoroughly air dried lumber is 12 to 15 percent and the average is somewhat higher. In the South, air dried lumber may be no lower than 19 percent.
Air Duct Ducts, usually made of sheet metal, that carry cooled air to all rooms.
Air Infiltration The amount of air leaking in and out of a building through cracks in walls, windows and doors.
Approval Letter Series of letters sent by the design department to get approval documentation to proceed from one stage of blueprints to the next.
Archhead A style of window that resembles a half-circle on top of a rectangle window
Attic Scuttle Pre-assembled spring loaded fold down stairs leading to attic space.
Attic Ventilators In houses, screened opening provided to ventilate an attic space. They are located in the soffit area as inlet ventilators and in the gable end or along the ridge as outlet ventilators. They can also consist of power-driven fans used as an exhaust system. (See also Louver.)
Awning Window A window that is hinged on top and cranks out from the bottom.

 

N5821 County Road S | PO Box 902 | Plymouth, WI 53073 | (800) 707-0449