SOPRA™ IV is a bitumen-coated base sheet for use in built up roof assemblies. SOPRA IV is composed of a proprietary formulation of bitumen and is reinforced with a high quality random glass fiber mat. The topside and underside are surfaced with fine mineral aggregate.

Product Properties

  • ASTM ASTM D2178
  • Installation Method Asphalt Adhered
  • Material Built-up Roofing Ply
  • Reinforcement Glass Fiber
  • Type G1


Place SOPRA IV in desired position and back roll the product. Apply approved hot asphalt following manufacturer specifications, then roll in SOPRA IV. Refer to SORPEMA® SBS Roofing Manual for additional application guidelines.

Testing & Approvals

FBC FL3915-R15  Modified Bitumen Roof Systems FM ICC-ES ESR-5561 Miami-Dade UL

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