High Temperature Self-Adhesive Membrane Underlayment

Welcome to HT-SAMU-RAI, your go-to solution for superior roofing protection! Our homogeneous butyl waterproofing membrane is expertly designed to safeguard your roof from water infiltration, whether caused by wind-driven rain, snow, or ice dams.

What makes HT-SAMU-RAI stand out? Its high-performance rubberized butyl formula delivers exceptional temperature resistance—withstanding up to 250°F (120°C) while maintaining strong adhesion even in cold conditions as low as 40°F (4.4°C). Plus, its advanced self-sealing technology ensures nails and fasteners stay watertight.

Perfect for both residential and commercial applications, HT-SAMU-RAI works with metal, wood, tile, slate, asphalt, and synthetic shingles. Whether covering the entire roof or reinforcing critical areas like eaves, ridges, valleys, dormers, and skylights, this underlayment is durable, versatile, and easy to install.

With an impressive 270-day UV exposure rating, a reinforced fabric surface for enhanced durability, and superior slip resistance, HT-SAMU-RAI is the smart choice for long-lasting roofing protection.

Protect your roof with confidence—choose HT-SAMU-RAI today!

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