Classification Information
Roofing membranes; roof coverings, not of metal; non-metal roofing products, namely, flashing, pipe boots, T-joint covers, batten strips; roofing fabrics; asphalt roofing felt; asphalt roof coatings; bitumen-based sealants for roofing; tar-based sealants for roofing and bituminous coatings for roofing; non-metal roofing underlay
Nonmetallic Building Materials