Definition

The plumbing drain and waste lines that are installed beneath a basement floor.

Any substance that prevents the transmission of water vapor.

The percentage of visible light (390 to 770 nanometers) within the solar spectrum that is transmitted through glass.

Plastic plumbing pipe that carries waste water to the municipal sewage system.

A hole which allows for drainage of entrapped water from masonry or glazing structures.

Conductors for building wiring are available in AWG (American Wire Gauge) sizes ranging from No. 14 to 4/0. The larger the number size, the smaller the diameter. For example, 10 is smaller than 8. The larger the diameter of a…

A vertical, air-filled pipe that prevents water hammer by absorbing pressure when water is shut off at a faucet or valve.

The rate at which electricity flows through a conductor.

A tradesman who designs and produces plans for buildings, often overseeing the building process.

In glazing, a polyethylene or polyurethane foam material installed under compression and used to control sealant joint depth, provide a surface for sealant tooling, serve as a bond breaker to prevent three-sided adhesion, and provide an hour-glass contour of the…