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Vapor retarder

A material used to resist moisture diffusion through building materials, often used in walls and floors.

A vapor retarder is a material used to control moisture diffusion through walls and ceilings, enhancing durability and indoor air quality. It is crucial for preventing condensation, reducing mold risk, and optimizing energy efficiency. By providing a barrier against moisture intrusion, vapor retarders support building performance, reduce maintenance, and contribute to successful project delivery by ensuring that structures are well-protected, comfortable, and aligned with environmental and regulatory standards.

Used in a sentence

A vapor retarder was installed under the flooring to prevent moisture buildup.

Synonyms/variation
  • Vapor Barrier

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