RUBEROID® HW Granule is a tough, resilient SBS-modified bitumen membrane that can be installed without the use of hot asphalt. Its core is a strong, resilient non-woven polyester mat that is coated with an SBS polymer-modified asphalt and surfaced with mineral granules.
Benefits of RUBEROID® HW Granule Membrane include:
Typical system guarantees available for up to 15 years; select system constructions available with up to 20-year guarantee coverage1
Installed roof designs weigh less than 2 pounds per square foot