Surface Seal SB Coating

Surface Seal SB Primer

Surface Seal SB Primer

Why TOPCOAT® Surface Seal SB?

TOPCOAT® Surface Seal SB is a solvent-based, sprayable thermoplastic rubber sealant, which cures to form a seamless rubber membrane. It is highly reflective, provides extra protection, and is highly flexible to accommodate temperature-related expansion and contraction of the roof system.


  • ENERGY STAR® certified (U.S. only) reflectivity can dramatically decrease building temperatures
  • Highly reflective and listed by the Cool Roof Rating Council for solar reflectance and thermal emittance
  • Ideal for modified bitumen, Hypalon®, BUR, metal, TPO, wood, concrete, and EPDM Designed to be applied at temperatures as low as 32°F
  • Strong:  Forms a flexible seal that will not become brittle
  • Flexible:  Will expand and contract with roof Limited material warranty available for up to five years1
  • Guarantees available for up to 20 years1


  • TOPCOAT® Surface Seal SB is a liquid-applied seamless rubber membrane used in the retrofit of most commercial roof surfaces.
  • TOPCOAT® Surface Seal SB Membrane is designed to protect and restore BUR, modified bitumen, EPDM, metal, concrete, and wood roof surfaces. It is also used to increase a roof’s reflectivity. 
  • Roof must have positive drainage
  • Surface must be free of ponding water, ice, snow, and debris prior to application
  • Do not apply at temperatures below 32°F
  • Substrate temperatures must be below 120°F when applying product

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


Note: Hypalon® is a registered trademark of DuPont Performance Elastomeric LLC.


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