Definition

An automatic door located in the flue that closes it off when the burner turns off; its purpose is to reduce heat loss up the flue from the still-warm furnace or boiler.

The carpenter contractor that installs the lumber and erects the frame, flooring system, interior walls, backing, trusses, rafters, decking, installs all beams, stairs, soffits and all work related to the wood structure of the home. The framer builds the home…

A type of roof which has its slope broken by an obtuse angle, so that the lower slope is steeper than the upper slope. A double sloped roof having two pitches.

In roofing, a light uniform mopping of bitumen on exposed felts to protect them from the weather, pending completion of the job.

The mineral particles of a graded size which are embedded in the asphalt coating of shingles and roofing.

A strong steel wire or cable strung from an anchor on the roof to any tall slender projection for the purpose of support.

Flat or bent glass that has been heat-treated to a specific surface and/or edge compression range to meet the requirements of ASTM C 1048, kind HS. Heat-strengthened glass is approximately two times as strong as annealed glass of the same…

Parallel to or in the plane of the horizon.

The interest rate or adjustment standard that determines the changes in monthly payments for an adjustable rate loan.

Between two layers of roofing felts that have been laminated together.