DuraDrive 36 in. x 65 ft. Water and Ice Roofing Underlayment is a self-adhesive roofing underlayment composed of glass fleece reinforcement and SBS modified bitumen.

Features

• Designed to be used under asphalt shingles, as per shingle manufacturer recommendations
• Not recommended under metal roofing
• Do not apply directly onto wood planks. Cover surface with plywood or OSB panels prior to the membrane application
• Note: Duradrive may modify the composition and/or utilization of its products without prior notice. Consequently, orders will be filled according to the latest specification

Specifications

Thickness 1.2 mm (48 mil) Dimensions 0.91 m x 19.8 m (36 in x 65 ft) Roll Weight 24.6 kg (54.23 lbs) Top Face Sand Underface Silicone Release Film (split-back) Reinforcement Glass Mat Tensile Strength, MD/XD 10.7 / 8.1 kN/m (61 / 46 lbf/in) Ultimate elongation, MD/XD 16 / 14 % Adhesion to Plywood, 24C 94 N/m (6.4 lbf/ft) Thermal Stability, 14 days @ 70C Pass Low Temperature Flexibility Pass at -29C (-20F) Tear Resistance 400 / 353 N (90 /79 lbf) Nail Seal-ability Pass Static Puncture 140 N (31 lbf)