Classification Information
Roofing underlayment; Non-metallic roof flashing; Non-metal shingles; Synthetic roofing shingles; Non-metal roofing shingles featuring an additional layer of roofing adhesive; Roof flashing, not of metal; Tar coatings for use on roofs, walls and pavements; Asphalt-based coatings and sealants for use on roofs, walls and pavements; Asphalt-based coatings for use on roofs
Nonmetallic Building Materials