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Interlock Metal Roofing
  • Company
    • About Us
    • Catalog
    • Blog Posts
    • Roofing Guide
    • Quality Assurance
    • Industry Partnerships
    • Community Support
    • Environment
    • President’s Message
    • Mission Statement
    • Events
    • We’re Hiring!
  • Products
    • Slate​​
    • Cedar Shingle
    • Shake
    • Mediterranean Tile
    • Standing Seam
    • Copper
  • Warranty
  • Specifications
    • Manuals
    • Testing Reports
    • Tax Credits
    • CRRC Rated
    • Coating
    • Color Guide
    • Roof Visualizer ↪
    • Downloads
  • Gallery
  • Reviews
  • Contact Us

Vapor

Home / Glossary

Vapor refers to water vapor, which is the gaseous form of water that can exist in the air. In the context of roofing, vapor can be a concern as it can accumulate in the roofing system and cause damage over time.

One of the primary ways that vapor can enter a roofing system is through air leaks. Air leaks can occur in the roof deck or insulation, allowing moisture to enter the system and become trapped. This trapped moisture can then lead to the growth of mold and mildew, as well as the deterioration of the roofing materials.

To prevent the accumulation of vapor in the roofing system, it is important to install a vapor barrier. A vapor barrier is a layer of material that is designed to prevent moisture from entering the roofing system. The vapor barrier is typically installed on the warm side of the insulation, which is the side that faces the interior of the building.

In addition to a vapor barrier, proper ventilation is also important for preventing the accumulation of vapor in the roofing system. Proper ventilation helps to promote the circulation of air in the attic or crawlspace, allowing moisture to escape and preventing the buildup of humidity.

Overall, vapor is an important consideration for ensuring the long-term health and performance of a roofing system. By installing a vapor barrier and ensuring proper ventilation, roofing professionals can help to prevent moisture buildup and ensure that the roofing system remains in good condition.

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© 2023 The Interlock Group. Interlock®, Interlock Lifetime Roofing Systems®, Alunar®, and Never Re-Roof Again.® are registered trademarks of I.E.L. Manufacturing Ltd. and are used under license.

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