Grandeur shingles are completely coated with our unique IKO-SBS modified asphalt, to impart superior impact resistance and handling characteristics, even in cold-weather applications.

• So strong it has a UL 2218 Class 4 Impact Resistant Rating.*
• Unique IKO-SBS modified asphalt.
• Meets requirements for ASTM D3462, ASTM D3018, ASTM D3161 Class F, ASTM E108 Class A,
  ASTM D7158 Class H, CSA A123.5, CSA A123.51, CSA A123.52 and UL 2218, Class 4* standards.
  

*This impact rating for Grandeur 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.