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)
Titlesort icon Definition

A common form of magnesium silicate which was used in various construction products due to it's stability and resistance to fire. Asbestos exposure, by inhaling loose asbestos fibers, is associated with various forms of lung disease.

See also: EPA Asbestos in Your Home, Q&A: Encapsulating Asbestos, Q&A: Does My Insulation Contain Asbestos, Q&A: Is This Asbestos?, Q&A: Asbestos Floor Tiles, Q&A: Asbestos Ceiling Tiles

Some heating ducts with damaged asbestos tape.
The hole maybe a rodent access point.
It is also a defect in the duct system.

One who has completed a course of study in building and design, served an internship and passed a test and is licensed