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Modified Bitumen Roof Membranes - SBS Heat Welded

SBS Heat Welded Membranes


SR MB Reflex HWLD is a white reflective fire resistant premium SBS (Styrene-Butadiene-Styrene) heat weld applied modified bitumen roll product. The surface consists of a factory applied white reflective elastomeric coating over extra fine mineral granules as the weathering surface. The membrane is manufactured with a non-woven polyester mat that is saturated and coated with a premium quality, asphaltic bitumen and SBS elastomers for durability, flexibility and is easily maintained. It is designed for use as a reflective cap sheet in modified bitumen and hybrid built-up roof systems.


  • Weather-resistant for long-term performance.
  • Good cold weather performance.
  • Uniform layer of protection provided by quality control during manufacture.
  • Exceeds ASTM D 6164, Type I & II, Grade (G) requirements.
  • Title 24 Compliant