Specialty Products – General Coatings Manufacturing Corp.

Specialty Products

Roof Granules

GCMC uses weather-resistant roofing granules for use on granule-surfaced, BUR and modified bitumen membranes. Adding granules to the second UV layer of protective coating gives roofs their cool-roof rating.

Roof Granules Features

  • UV blocker
  • Durable

Roof Granules Benefits

  • Provide traction
  • Enhance durability
  • Protect against damaging sunlight
  • Reduce energy costs
  • Title 24 and ENERGY STAR® compliant

Available Products

Roof Granules


White Roof Granules

GCMC #11 WHITE GRANULES are high calcium grits from a deposit of white, high quality calcite. These are dense and non-porous‚ white roofing granules that defend against harsh weather conditions and UV rays.

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Roof Fabric

GCMC polyester roof fabric that can be embedded into Ultra-Flex or Ultra-Guard roof coatings to strengthen penetrations, seams and fully encapsulate existing roof membranes. The fabric reinforces cracks, seams, joints, large openings, gaps, splits, and tears in any roof system.

Roof Fabric Features

  • Quickly absorbs coating
  • Flexible
  • Waterproof

Polyester Reinforcing Fabric

Roof Fabric

GCMC ROOF FABRIC is a 100% polyester reinforcement, stitch bond 2.98 oz fabric used in acrylic, silicone, and urethane roof coatings.

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