About RUBEROID® HW Plus Granule Membrane

RUBEROID® HW Plus Granule Membrane is a premium 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 a polymer-modified asphalt and surfaced with mineral granules.

  • System guarantees are available for up to 20 years1
  • Specially formulated modified asphalt gives RUBEROID® HW Plus Granule lasting performance
  • Heat welding allows for kettle-free operation
  • Backed by GAF, a company with over 130 years in the roofing business

1See applicable warranty or guarantee for complete coverage and restrictions.

Features & benefits

Product Documentation

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RUBEROID® HW Plus Granule Membrane

SBS, APP & BUR roof system product comparisons

Any discussion on asphaltic roofing will involve one or more of these three terms: SBS (Styrene-Butadiene-Styrene), APP (Atactic Polypropylene), and BUR (Built-up roofing). SBS and APP are polymers with unique characteristics, and membranes made with them are classified by ASTM numbers, types and grades. BUR is an assembly method in which multiple layers of felts are installed with hot asphalt in-between.
RUBEROID® HW Plus Granule Membrane

When is an Asphaltic System the Right Choice?

With the wide variety of roofing technologies available, an asphaltic solution can be your best choice when you’re looking for multi-ply redundancy, enhanced durability, proven performance, high wind uplift and fire-rated assemblies, lower long term performance risk for issued guarantees, high compatibility with other roofing systems, and simplified owner maintenance. Architects and consultants often specify asphaltic solutions for applications such as K-12 schools, higher education low slope buildings, hospitals, data centers, and high-profile federal government projects.
Asphaltic Roofing 101 Playlist from GAF Commercial

Asphaltic Commercial Roofing 101

Proven historical performance. Time tested durability. Asphaltic roofing products are a go-to material of choice for high end low-slope buildings. Learn more about asphaltic technologies and application techniques, as well as how to decide if asphaltic is the right roofing solution for your next project.
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