Cambridge IR

Cambridge IR - Weatherwood
Impact Resistant Architectural Shingles

The Same Architectural Design as the Cambridge Shingles PLUS Class 4 Impact Resistance Rating Technology, for ultimate weather protection.

Enjoy similar designs and color schemes to IKO’s flagship shingle, the Cambridge, as well as the same easy-to-install technology.

Protect Your Home Better, For Longer.
When you live in a part of the world that experiences extreme weather, Cambridge IR Shingles give you best-fit technology and the confidence of a roof capable of protecting your home.

Cambridge IR has elite impact resistance technology (UL2218 Class 4 Impact Resistance Rating) plus superior protection against wind uplift and water penetration. IKO’s resilient heavyweight fiberglass mat is reinforced with an extra coating of IKO modified asphalt for exceptional flexibility and tear-resistance.

Available in popular colors, with the contemporary looks of Architectural Shingles, Cambridge IR Shingles suit any style of home.


Cambridge IR - WeatherwoodCambridge IR - Dual GreyCambridge IR - Dual BlackCambridge IR - DriftwoodCambridge IR - Charcoal Grey

Specifications & Standards
  • Size: 1038 mm x 349 mm (40 7/8″ x 13 3/4”)
  • Exposure: 149 mm (5 7/8″)
  • Coverage Per Package: 3.1 m² (33.3 sq. ft.)
  • Qty Per Pallet: 56 bundles
  • Shingles Per Square: 60
  • Qty Per Unit/Package: 20 shingles/bundle
  • Warranty Term: Limited 30-Year Warranty¹
  • Limited Wind Warranty Upgrade: 125 kph (78 mph)¹,²
  • Blue-green Algae Resistant¹,³
  • Standards: ASTM D3462, ASTM D3018, ASTM D3161- Class F, ASTM E108 – Class A, ASTM D7158 – Class H, CSA A123.5, CSA A123.51,UL 2218, Class 4*,
    FM 4473 Class 4

Product is designed and tested to comply with ASTM/CSA Standards at time of manufacture prior to packaging.
* This impact rating for Cambridge IR shingles is solely for the purpose of enabling residential property owners to obtain a reduction in their residential insurance premium and is not to be construed as any type of expressed or implied warranty by the manufacturer, supplier, or installer.
Note: All values shown are approximate. IKO strives to accurately reproduce the screen images of the shingle swatches and house photos shown. However due to manufacturing variances, the limitations of your monitor resolution, and the variation in natural exterior lighting, actual colors may vary from the images you see. To ensure complete satisfaction, please make your final color selection from several full size shingles and view a sample of the product installed on a home.
¹ See Limited Warranty for complete terms, conditions, restrictions and application requirements.
² High Wind Application is required.
³ Algae Resistant — This article contains a preservative to prevent discoloration by algae.