Underlayments

Underlayments

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 bitumen roofing applications. Data Sheet United...
Nord-Bitumi Modified Rolled Roofing Membrane

Nord-Bitumi Modified Rolled Roofing Membrane

Nord Bitumi Modified Rolled Roofing Membrane Nord Bitumi was one of the first to introduced the APP technology into the US market, and has been a pioneer in APP & SBS modified rolled roofing membrane technology since 1967. Nord Bitumi offers a full line of APP...
United Ice & Water Protector

United Ice & Water Protector

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...