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Seam Grip FC Fast Cure Seam Sealant by Gear Aid

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Waterproof and Seal Seams Fast


Seam Grip FC is a fast-curing, water-based tent seam sealer. Previously known as Seam Sure, this waterproofing sealant comes in a 2 fl oz bottle and seals up to 60 ft of seams or fabric. The liquid formula is perfect for family-sized tents, tarps and pop-ups made of nylon. Just apply a thin film to the inside seams and allow to dry to a clear, flexible seal. Don’t let rain ruin an outdoor experience. Seal and waterproof tent seams in no time with Seam Sure FC and stop leaks before they happen.

  • Long-lasting – Water-based urethane sealant is unaffected by extreme temperatures and keeps moisture out all year long
  • Fast Acting – Formula cures in just two hours for an application on tent seams that’s quick and easy
  • Waterproof – Provides a water-tight seal that won’t peel or crack over time, keeping adventurers warm and dry
  • Flexible – Dries to a clear sealant that flexes with fabric and stays intact without flaking off
  • All-purpose – Seals nylon, polyester, vinyl, canvas and other outdoor fabrics


  • Material: water-based urethane 
  • Size 2 fl oz 
  • Color: clear 
  • Adheres To: nylon, canvas, polyester, vinyl and most fabrics 
  • Coverage: 720” x 0.25” (60 ft of seams) 
  • Cure time: 2 hours 
  • Cure method: humidity
  • Application Temperature: 60° to 100°F 
  • Use Temperature: -20° to 180°F 
  • Storage: store in cool, dry place 
  • Freeze-Thaw Stable: no
  • Made in USA