Boral Roofing’s Grade 1 clay tile (a rating from the American Society for Testing and Materials (ASTM) indicating the highest certification possible for resistance to severe frost action and the least water absorption) is a roof solution for frost. All Grade 1 clay roof tiles and freeze-thaw resistant concrete roof tiles pass a stringent testing process during which the product endures 50 freeze/thaw cycles without cracking or material degradation, demonstrating resistance to frost related damage.
Grade 1 clay and freeze-thaw resistant concrete roof tile perform well in colder climates.
Boral Roofing clay and concrete roof tiles can withstand high force winds when properly installed in accordance with the Tile Roofing Institute (TRI) Installation Manual for Moderate Climate Regions. Clay and concrete roof tiles are designed to protect homes during excessive rain and thunderstorms, maintaining aesthetic curb appeal despite intense elements.
Select clay and concrete roof tile offer a protective measure against hail, undergoing impact resistance testing in accordance with the FM 4473 standard.
Class 4 hail rated concrete tile can withstand two-inch ice ball impacts shot from a hail cannon within 5 feet at speeds of up to 111 feet per second (approx. 76 mph). Hail rated concrete and clay roof tile is certified through the Roof Covering Impact Certification Program, sponsored by Architectural Testing, an independent testing laboratory accredited by multiple national agencies.