Glossary

Glossary

Cold air return

The ductwork (and related grills) that carries room air back to the furnace for re-heating.

Glossary

Collar beam

Nominal 1- or 2-inch-thick members connecting opposite roof rafters. They serve to stiffen the roof structure.

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Glossary

Collar

Preformed flange placed over a vent pipe to seal the roofing above the vent pipe opening. Also called a vent

Glossary

Column

A vertical structural compression member which supports loads.

Glossary

Compression web

A member of a truss system which connects the bottom and top chords and which provides downward support.

Glossary

Concrete

The mixture of Portland {cement}, sand, gravel, and water. Used to make garage and basement floors, sidewalks, patios, foundation walls,

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Glossary

Condensing unit

The outdoor component of a cooling system. It includes a compressor and condensing coil designed to give off heat.

Glossary

Chink

To install fiberglass insulation around all exterior door and window frames, wall corners, and small gaps in the exterior wall.

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