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Cambridge IR Shingles

The Same Architectural Selection Of Cambridge Shingles PLUS Class 4 Impact Resistance Rating Technology (to help protect your home against hail).

With many of the attractive designs and color schemes used with the Cambridge shingle with added Impact Resistant security you are sure to have a great look.

Protect Your Home

When you live in this part of the country that gets more adverse weather, Cambridge IR Shingles provide the confidence of a roof capable of protecting your home.

Cambridge IR has elite impact resistance technology (UL2218 Class 4 Impact Resistance Rating) so your home be more protected against the weight of heavy snowfall and the damage hail can cause.


IKO Cambridge Collection Brochure
IKO Impact-Resistant Collection Brochure


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Link to Terms & Conditions of Sale Page for U.S.

Link to Limited Warranties Page for U.S.

Link to Legal Notices Page for U.S.


Technical Information

  • 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



Size: 1038 mm x 349 mm (40 7/8" x 13 3/4'')
Exposure: 149 mm (5 7/8")
Warranty Term: Limited Lifetime
Limited Wind Warranty Upgrade: 210 km/h / 130 mph
Fire Resistance Rating: Class A
Iron Clad Protection Period: 15 years


Material Safety Data Sheets

Technical Data Sheets

4600XXX Cambridge IR

King County
(425) 533-0626

Pierce & South King County
(253) 590-4425

Kitsap & Thurston County
(360) 754-1806

AMPRO Builders
2348 Fawcett Ave
Tacoma, WA 98402


Phone: (253) 208-7151
Fax: (253) 590-2803


AMPRO Builders LLC BBB Business Review


"I wanted to thank you for everything this last month and most of all for treating my parents with respect. My parents and I will recommend AmPro to our family and friends without any reservation. Thank you again." 

Mr. Park in Tacoma, WA