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Weather barrier

A material or system used to protect a building from weather elements, such as wind and rain, while allowing moisture to escape.

A weather barrier is a protective layer applied to building exteriors to prevent water and air infiltration, enhancing durability and energy efficiency. It is crucial for optimizing building envelope performance, reducing maintenance, and supporting sustainability. By providing a continuous and effective barrier, weather barriers support building performance, enhance comfort, and contribute to successful project delivery by ensuring that structures are well-protected, aligned with design specifications, and compliant with environmental and regulatory standards.

Used in a sentence

A weather barrier was installed to prevent water infiltration behind the siding.

Synonyms/variation
  • Weatherproofing

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