NGP (National Guard) GAPGUARD Fire Caulk, Case of 10 Cartridges


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  • Seal holes in frames and doors to restore fire-rating
  • Can be painted after full cure
  • Case of 10ea., 10.3 fl. oz. cartridges

NGP GAPGUARD™ FIRE CAULK, Case of 10 tubes

UL Certified Solution for Fire Doors and Frames to Seal Thru-Holes as Well as in Combination With Other Hardware Prep Filler Solutions

  • Application Certified on Both Hollow Metal and Wood Fire-Rated Doors – up to 90-Minute
  • Can be Used to Fill up to a 1/2″ Diameter Thru-Hole
  • Fully Cured in 24 Hours
  • Can be Sanded and Painted After Full Cure
  • Indoor Use Only
  • Shelf Life is 12 Months
  • Size: 10.3 fl. oz. Cartridge
  • Color: Tan

SPECIAL NOTES: 90-minute rated UL Certified Miscellaneous Fire Door Accessory on UL10B and UL10C wood or hollow metal fire doors • Clean with soap and water before hardens • Keep from freezing



Tan (can be painted)

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NGP (National Guard) GAPGUARD Fire Caulk, Case of 10 Cartridges