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Interlock Metal Roofing
  • Company
    • About Us
    • Catalog
    • Blog Posts
    • Roofing Guide
    • Quality Assurance
    • Industry Partnerships
    • Community Support
    • Environmental Responsibility
    • 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

Solar Reflectance Index (SRI)

Home / Glossary

SRI (Solar Reflectance Index) is a measure of the ability of a roofing material to reflect the sun’s heat and reduce the amount of heat absorbed by the building. It is a metric used to evaluate the energy efficiency of roofing materials and is intended to provide a way to compare the performance of different roofing products.

The SRI value is calculated using both the initial solar reflectance and the initial thermal emittance of the roofing material. It takes into account the way that a roofing material reflects and emits heat, and provides a single value that can be used to compare the performance of different roofing products.

Roofing materials with high SRI values are typically more energy-efficient and can help to reduce cooling costs. They are often used in warm climates to help improve building energy efficiency. SRI values can be used by building professionals, building owners, and policymakers to make informed decisions about roofing materials and to help promote the use of energy-efficient roofing products.

Interlock Metal Slate Roof
Slate
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Cedar Shingle
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Shake
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Standing Seam
Interlock Copper Roofing
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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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