Roofing Codes: Class B Roof Assemblies This code implies that all roof materials that pass the testing provided in the ASTM E 108 fire testing under the moderate category are identified as Class B roof assemblies By Blackpool Roofing|2018-02-28T06:00:00+00:00February 28th, 2018|Emergency Roofing Maintenance, Industrial Roofing, Roofers, Roofing, Roofing Industry News|Comments Off on Roofing Codes: Class B Roof Assemblies Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail