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Designed to be used under standing seam metal roofing, metal shingles and metal roof panels, Levi’s new Alco Shield HT Ice and Water Protector protects roofing structures against water from wind driven rain or ice dams.
Self-adhering for easy installation, this product is made in the USA and bonds directly to the roof substrate. Made of a polymer modified asphalt membrane, it is reinforced with fiberglass for a smooth, skid resistance surface. Alco Shield HT installs in most hot weather conditions and is self-sealing around nails, staples and screws. This product is excellent for use under metal, slate or tile and has a high temperature resistance of 240 degrees. Alco Shield HT meets or exceeds industry standards and residential/commercial codes ASTM D-1970.
Alco Shield HT is: