Classification Information
Underlayment for roofing and flooring; underlayment for siding in the nature of a waterproofing membrane for walls to be placed underneath siding; roofing fabrics
Nonmetallic Building MaterialsUnderlayment for roofing and flooring; underlayment for siding in the nature of a waterproofing membrane for walls to be placed underneath siding; roofing fabrics
Nonmetallic Building Materials