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Seam Grip & Seam Sealer Outdoor Repair is a waterproof, flexible urethane formula for use in repairing surfaces or sealing seams of natural and synthetic fabrics, waterproof laminates, leather and vinyl. SEAMGRIP may be used to repair all types of waders and footwear, neoprene, PVC, rubber, and more. Concentrated and waterproof, SEAMGRIP offers excellent adhesion, long lasting flexibility, superior traction and abrasion resistance, with minimal shrinkage.
Seam Grip is a urethane-based seam sealer and repair adhesive.

Seam Grip is the best product to seal and repair all types of fabrics except those treated with silicone. Seam Grip self levels to create a good looking sealed seam. It is also an extremely strong repair adhesive. Seam Grip permanently seals and repairs tent, backpack, outerwear and footwear fabrics including PU coated fabrics, Gore Tex fabric and more. Seam Grip won't bond properly to sil nylon or other silicone treated fabrics.