Owens Corning WeatherLock 36-in x 66.7-ft 200-sq ft Polypropylene Roof Underlayment AA10

Owens Corning WeatherLock 36″ x 66.7-ft Polypropylene Roof Underlayment – 200 Sq ft

• Resists cracking and breaking during installation due to excellent tear resistance
• Adheres to roof deck to prevent water migration, split-backer sheet for easy application and positioning on the roof deck
• Slip-resistant granulated surface allows for better traction
• Modified asphalt creates dependable, watertight construction that seals around nails and the taped selvedge edge improves the seal between courses

WeatherLock G Granulated Self-Sealing Waterproofing Barrier provides additional security against leaks caused by storms, wind-driven rain and shingle blow-offs. This product is engineered for asphalt shingles, wood shakes and quarry slate roofs. WeatherLock G acts as a waterproof barrier in the most vulnerable sections of the roof.