Assorted Underlayments Learn MoreData Sheets United Asphalt manufactures various underlayments. United Glass Base Sheet is a fiberglass mat coated with Type IV asphalt. Glass Base Sheet is used as the base ply in hot, cold and torch applied built-up and modified...
Ice & WaterProtector Learn MoreData Sheets Description United Ice & Water Protector is used as a shingle underlayment on critical areas such as eaves, valleys, ridges, dormers and skylights. United Ice & Water Protector protects roofing structures and the...
Bulk Asphalt Type 3 – No Smell Learn MoreData Sheets Description United Asphalt offers four types of built-up roofing asphalt: Types I, II, III, and IV. All four types are made from high grade U.S. crude oil and meet or exceed ASTM D-312-15 specifications. All...
