With IKO Architectural shingles, you never have to sacrifice curb appeal for superior weather protection. Our Cambridge and Cambridge Cool Colors lines feature high-quality construction, from a resilient fiberglass core to exceptional FastLock® bonding that helps prevent shingle lift. Plus, built-in blue-green algae resistance keeps your roof looking fresh for years to come. Available in a full range of colors and in Cool Colors for select markets, IKO Architectural shingles give you dimension and protection in one great product.