Classification Information
Asphaltic roofing shingles; asphalt containing ceramic particles and other solid granules, for use in roofing applications; asphaltic roof coatings, mastics, and sealants containing ceramic particles and other solid granules; non-metallic granules sold as a component part of roof coverings, roofing tiles, and shingles; non-metallic granules for use as roof coverings
Nonmetallic Building Materials