GAF FlexSeal™ Caulk Grade Sealant

FlexSeal™ Caulk Grade Sealant is an extremely flexible, durable, and UV resistant sealant. It will not chalk, crack, or peel and is ideal for termination bar, railing, step flashings, or edge metal.

  • Joint movement capability maximum ± 25%.
  • Bonds to multiple substrates, including metal, copper, concrete, wood, asphalt shingles, SBS, APP, EPDM, BUR, TPO, and PVC.
  • Coatable.
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