**GMC Electrical, Inc. will be closed from 12/19/2025 (mid-day) through 1/02/2026 for the Holidays. 
Normal business hours will resume of Monday January 5th, 2026. Have a Happy Holiday Season!

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    • Permaseal

    • PERMASEAL Bulk Pack
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      PERMASEAL Bulk Pack

      BENEFITS:    Compatible with ANY type of coating  Self-healing in case of small damage  Impervious to moisture or gas  Adhesion to substrate without primer  Retaining flexibility over...

      $19.99
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    • PERMASEAL Single pack
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      PERMASEAL Single pack

      BENEFITS:    Compatible with ANY type of coating  Self-healing in case of small damage  Impervious to moisture or gas  Adhesion to substrate without primer  Retaining flexibility over...

      $9.99
      Add to Cart
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