Devonshire Shingles are designed to reflect the allure of natural slate without the high cost or heavy maintenance. These shingles feature a broad sculpted shape with a 5-5/8" x 7-1/2" tab. Devonshire Shingles offer an affordable alternative to other slate-look shingles and will add substance and character to your home.

Wind Resistance

Significant wind can cause shingles to blow off the roof deck. Missing shingles can lead to leaks and other interior damage. The quality and performance of the sealant on a shingle helps plays an important part in wind resistance performance. Owens Corning certifies our shingles to industry recognized wind resistance standards through independent third-party testing laboratories. To see the wind resistance warranty on this product, refer to the TECHNICAL SPECIFICATIONS tab.

Algae Resistance

Algae growth may cause brown to black streaks on roofs but this discoloration does not impact the service life of the shingles. Algae species are transported through the air and growth occurs to varying degrees in all regions of the country; especially those subjected to warm, humid conditions. Algae should not be mistaken for fungus growth, soot, dirt, or moss. Almost all types of roofing systems are susceptible to algae discoloration. Where noted on the individual Product Detail page Technical Specifications tab, Owens Corning provides limited warranty coverage on some of our shingles for algae resistance. For full details of coverage, refer to the actual warranty for details, limitations, and requirements.

Technical Documents

Applicable Standards

  • ASTM D3161 (Class F Wind Resistance) 2
  • UL ER2453-01 3
  • ASTM D228
  • ASTM D3462
  • ASTM D3018 (Type 1)
  • ICC-ES AC438
  • ASTM E108 (Class A Fire Resistance)
  • ASTM D7158 (Class H Wind Resistance)
1 LEED® is a registered trademark of U.S. Green Building Council. 2 Underwriters Laboratories Evaluation Service Evaluation Report. 3 International Code Council Evaluation Services Acceptance Criteria for Alternative Asphalt Shingles.
Technical Specifications
Warranty Length Limited Lifetime
Wind Resistance 130 MPH
Algae Resistance 10 Years
Nominal Size 13 1/4" x 40"
Exposure 5 5/8"
Shingles Per Square 64
Bundles Per Square 3
Coverage Per Square 100 sq. ft.

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Devonshire

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