Seam Grip FC Fast Cure Seam Sealant is a high-performance, water-based urethane sealant designed to waterproof tent and outdoor gear seams quickly and effectively. This 59 ml bottle efficiently seals up to 18 metres of seams, curing to a clear, flexible finish that preserves fabric integrity. Easily applied, the sealant dries in just two hours, ensuring a durable water-tight bond that withstands harsh weather while remaining supple. Perfect for nylon, polyester, canvas, and vinyl, this product enables rapid, reliable protection and is ideal for regular use on outdoor gear.