CertainTeed WinterGuard Sand Underlayment

Description

CertainTeed WinterGuard Sand Underlayment.
CertainTeed WinterGuard® Sand waterproofing shingle underlayment is the solution for winning the battle against water penetration in your roof's most vulnerable places.
WinterGuard® Sand is composed of an SBS-modified asphalt that is impregnated in the membrane and coated over the membrane. This makes a tough reinforcement that is self-adhering and waterproof. The top surface of WinterGuard® Sand is composed of mineral matter. This enhances traction during application. WinterGuard® Sand is protected with a disposable release film that is coated with silicone, and this release film happens to be divided longitudinally down the center for simpler application.
The asphalt makes it vapor-tight, and the polymers make the asphalt elastic and sticky. This protective barrier is able to stretch and seal around nails driven through it.
Also, WinterGuard® Sand is most commonly used in critical areas on a structure. WinterGuard® Sand underlayment is commonly used in places that help to prevent leakage in a structure due to water back-up from ice dams or wind-driven rain. WinterGuard® Sand underlayment is designed for use on roof decks as a waterproofing barrier beneath shingle, slate and tile roofs.
WinterGuard® Sand is warranted against manufacturing defects and to remain watertight for the same period as the warranty duration carried by the shingles applied above it -- up to a maximum of 50 years. Please Note: WinterGuard® Sand is warranted against manufacturing defects and to remain watertight for the same period as the warranty duration carried by the shingles applied above it -- up to a maximum of 50 years.
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Embedded with sand for enhance traction when applied
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Waterproof and ice resistant barrier that prevents leaks from ice dams
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Made from asphalt polymers for vapor tight seal
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Common use critical areas: roof eaves, valleys, and as a waterproofing underlayment for low-slope shingle, metal (HT only), slate, and mechanically-fastened tileroofing applications
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Roll Length: 65ft. Roll Width: 36in. (3ft.) Roll Coverage: 195 Square ft. Roll Weight: 68 lbs. Roll Thickness: 60 mils.