Hi-Temp Silicone Sealant

500°F RTV High Heat Silicone Sealant


This silicone sealant is perfect for anywhere you need a tough, flexible, rubbery seal. Use it to seal fireplace inserts, apply ceramic tiles, repair solar panels, and secure flashings. Adheres to glass, metal, most plastics, fiberglass, aluminum, wood, brick, and slate. Meets ASTM C920-86.

  • Rated to 500°F (260°C) ·Does not require heat to cure
  • Available in Black or Clear
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Hi-Temp Silicone Sealant