Glossary

Asphalt: A dark brown to black highly viscous hydrocarbon produced from the residue left after the distillation of petroleum. Asphalt is used on roofs and highways as a waterproofing agent.

Bipass Doors: Doors that slide by each other. Commonly used as closet doors. 

Cutoff Valves: Valves used to shut water off, generally located under sinks or behind bathtub and shower access panels. They cut off hot and/or cold water at the source without cutting all water off throughout the house.

Damper: An air valve that regulates the flow of air inside the flue of a furnace or fireplace.

Egress: A means of exiting the home. An egress window is required in every bedroom and basement. Normally a 4x4 window is the minimum size required.

GFI or GFCI (Ground Fault Circuit Interrupters): Special devices capable of opening a circuit when even a small amount of current is flowing through the grounding system.

Hose Bib: An outdoor faucet with hose threads on the spout. Also commonly used to supply washing machines and wash basins.

HVAC: Heating Ventilation and Air Conditioning.

Infestation: The presence of insects, rats, vermin, or other pests.

Louver: An opening with a series of horizontal slats arranged so as to permit ventilation but to exclude rain, sun light, or vision. See also Attic Ventilators.

Click here for complete glossary terms