Glossary

Glossary

Contractor

A company licenced to perform certain types of construction activities. In most states, the general contractors licence and some specialty […]

Glossary

Damper

A metal {door}  placed within the fireplace chimney. Normally closed when the fireplace is not in use.

Glossary

Dampproofing

The black, tar like waterproofing material applied to the exterior of a foundation {wall}.

Glossary

Dead bolt

An exterior security lock installed on exterior entry doors that can be activated only with a key or thumb-turn. Unlike

Glossary

Direct nailing

To nail perpendicular to the initial surface or to the junction of the pieces joined. Also termed face nailing

Glossary

Density

The mass of substance in a unit volume. When expressed in the metric system, it is numerically equal to the

Glossary

Downspout

A pipe, usually of metal, for carrying rainwater down from the {roof}s horizontal gutters.

Glossary

Dormer

An opening in a sloping roof, the framing of which projects out to form a vertical wall suitable for windows

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