Definition of the term Air Infiltration
The amount of air leaking in and out of a building through cracks in walls, windows and doors.
The amount of air leaking in and out of a building through cracks in walls, windows and doors.
The part of a boiler, furnace or woodstove where the burn occurs; normally lined with firebrick or molded or sprayed insulation.
A large sheet of metal that is installed around and perpendicular to the fireplace flue pipe. Its purpose is to confine and limit the spread of fire and smoke to…
Lumber that is dressed and shaped on one edge in a grooved pattern and on the other in a tongued pattern.
An aggregate mixture of sand and stone.
A fitting that joins two sections of pipe.
The area between insulation facing and interior of exterior wall coverings. Normally a 1" air gap.
Rafter that extends from the top plate to the ridge. Generally set 12, 16, or 24 inches apart.
Material used to advance wire through a conduit.
The maximum number of people permitted in a room. It is measured per foot for each width of exit door. The maximum is 50 per foot of exit.