Waterproof Membrane Underlayment Synthetic Roofing Underlayment

• Customization: Available
• Area: 4.5 Squares
• Breaking Strength ASTM D146: >55 Lbf/in
• Model NO.: 1660
• Dimensional Stability, ASTM F1087: Pass
• Nail Sealabiltiy, ASTM D1970-15: Pass
• Net Mass (G/M2) ASTM D5261: 420
• Permeability ASTM E96: 0.05 Perms
• Pliability, ASTM D146: Pass
• Temperature Range: -40 °f to 240 °f
• Transport Package: Roll
• Specification: size: 37.25′′ x 145′
• Trademark: OEM
• Origin: China
• HS Code: 5603141000
• Production Capacity: 500 Container

Product Description

Product structure:
Varra waterproof roof underlayment is made up of three layers:a polyester-coated body coated with SBS-modified bithmen and a layer of PP fabric on either side of the product.The top is UV-treated to provide a 6-month opening time.The longitudinal joint of the product is self-adhesive.