Glossary of Construction Terms

Do you ever feel as if your contractor is selling you polyisocyanurate foam when what you really needed was a setback thermostat? Here is a handy guide to common (and not so common) construction terms. Scroll through the glossary below or sort by the letter that starts the word you're looking for. For example, to find polyisocyanurate foam, select P and click Submit.

A (7) | B (6) | C (18) | D (8) | E (9) | F (8) | G (2) | H (4) | I (1) | J (1) | L (4) | M (3) | O (2) | P (11) | R (10) | S (19) | T (7) | U (1) | V (1) | W (4) | Z (2)
Title Definition
Tankless Water Heaters

Used in many parts of the world for a long time and noted for their energy efficiency. Tankless water heaters heat the water as it flows to your tap. Once you turn on the hot water tap a gas flame or electric coil heats the water. There is no storage tank and no wasted energy to keep a bunch of water heated and waiting to be used.

See: Tankless Water Heaters

George's TipsThese water heaters provide as much water as you need, when you need it. There is a small delay when you first turn on the tap. The flow rate depends upon the size of the heater.

Time and Materials Contract

A construction contract which specifies a price for different elements of the work such as, cost per hour of labor, overhead, profit, etc. Such a contract may not have a maximum price or may state a 'price not to exc