Home > Terms > English, UK (UE) > Air retarder/barrier
Air retarder/barrier
A material or structural element that inhibits air flow into and out of a building's envelope or shell. This is a continuous sheet composed of polyethylene, polypropylene, or extruded polystyrene. The sheet is wrapped around the outside of a house during construction to reduce air in-and exfiltration, yet allow water to easily diffuse through it.
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- Part of Speech: noun
- Synonym(s):
- Blossary:
- Industry/Domain: Energy
- Category: Energy efficiency
- Company: U.S. DOE
- Product:
- Acronym-Abbreviation:
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