Definition

Steel rods or metal fabric placed in concrete slabs, beams, or columns to increase their strength.

This conduit resembles plumbing pipe, protecting wires from damage.

All plumbing that should be done before the finish trades (sheetrock, painting, etc), including all waste lines and supply water lines that are in the walls or framing of the building. See also

A felt which is impregnated with tar or asphalt.

A term used to describe to a material which melts with the heat from the sun's rays, and seals over cracks that were earlier formed from other causes. Some waterproof membranes are self-healing.

A thick handsplit shingle, resawed to form two shakes; usually edge-grained.

The portion of the sanitary sewer which connects the interior waste water lines to the main sewer lines. The side sewer is usually buried in several feet of soil and runs from the house to the sewer line. It is…

A structure on a roof that is designed to admit light and is somewhat above the plane of the roof surface.

A light covering of plastic film, roll roofing, or similar material used over the soil in crawl spaces of buildings to minimize moisture permeation of the area.

The removal of gravel or heavy accumulations of bitumen from roof membranes by means of chipping or scraping.