Roofing Codes: Class C Roof Assemblies This code implies that all roof materials that pass the testing provided in the ASTM E 108 fire testing under the light category are identified as Class C roof assemblies. By Blackpool Roofing|2018-04-12T05:00:00+01:00April 12th, 2018|Emergency Roofing Maintenance, Industrial Roofing, Roofers, Roofing, Roofing Industry News|Comments Off on Roofing Codes: Class C Roof Assemblies Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail