Polyglass

Polystick TU metal roofing underlayment and waterproofing features a granular surface designed specifically for use under tile roofing. The product is made using a homogenous rubberized asphalt waterproofing compound with a reinforced glass fiber mat. The rubberized asphalt seals around nails through the weathering surface. Split/perforated peel-off backing film is designed to aid in positioning the sheets.

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