Definition of the term Water Board
Water resistant drywall to be used in tub and shower locations. Normally green or blue colored.
Definition of the term Backfill
The slope of the ground adjacent to the house. In any previously excavated area, i.e., the replacement of excavated earth into a trench around and against a basement foundation. In…
Definition of the term Copper Pipe Types
Type K has the heaviest or thickest wall and is generally used underground. It has a green stripe. Type L has a medium wall thickness and is most commonly used…
Definition of the term Framing
The structural wood and/or metal elements of most homes. The floor and ceiling framing is called the joist work. Wall framing is usually made out of 2x4 or 2x6 studs.…
Definition of the term Neoprene
A synthetic rubber having physical properties closely resembling those of natural rubber. It is made by polymerizing chloroprenes, which are produced from acetylene and hydrogen chloride.
Definition of the term Selvage
The unsurfaced strip along a sheet of roll roofing which forms the under portion at the lap in the application of the roof covering.
Definition of the term Backflow
Movement of water (or other liquid) in any direction other than that intended.
Definition of the term Corbel
The triangular, decorative and supporting member that holds a mantel or horizontal shelf.
Definition of the term Free-Tab Shingles
Shingles that do not contain factory-applied strips or spots of self-sealing adhesive. See also self-sealing shingles.