Roof waterproofing membrane WEATHERLOCK®

roof waterproofing membrane
roof waterproofing membrane
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for roofs
Technical characteristics
self-adhesive, flexible
synthetic, bituminous


WeatherLock® Flex Flexible Self-Sealing Ice & Water Barrier provides excellent roof deck protection against water infiltration resulting from the freeze/thaw cycle, wind-driven rains and normal water flow around eaves, rakes, valleys, vents, chimneys and skylights. Engineered for asphalt shingles, wood shakes and quarry slate roof assemblies, WeatherLock® Flex also offers: High performance Flexible and pliable poly surface and modified asphalt combine to adhere around irregular shapes, inside corners and at sharp angles, even in cold-weather applications to 40ºF Added protection Acts as a waterproof barrier in the most vulnerable sections of the roof, such as valleys and other roof penetrations, to create a second line of defense. For optimal protection, apply to entire roof deck on 2:12 to 4:12 pitch roofs*** Aggressive self-adhesive Exceeds adhesion performance requirements to help prevent water migration Slip-resistant surface For excellent traction and safe installation Seals tight around nails Modified asphalt construction for a tight seal around nails to prevent water penetration Contractor convenience UV exposure up to 30 days without edge curling while continuing to provide high-performance lap seal. Split backer sheet for easy application**** WeatherLock® Flex is an essential part of the Owens Corning™ Total Protection Roofing System™§. Construction: Surface: High-strength cross-laminated poly surface Adhesive Styrene: Modified asphalt Removable Backing: Removable Backing; Peel-away release liner** Application: Engineered for asphalt shingles, wood shakes and quarry slate roof assemblies


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.