Seam Grip Sil

Seam Grip SIL is a silicone-based seam sealer designed specifically for silicone-treated fabrics like sil-nylon and sil-poly. It bonds to silicone coatings to prevent leaks and restore waterproof integrity in tents, tarps, and ultralight shelters. Use it when you want a reliable field-ready repair that holds up to moisture, temperature extremes, and rough conditions.

Key Features

• Formulated to adhere only to silicone-treated materials

• Dries to an elastic rubber seal that remains flexible over time

• Ideal for sealing seams, pinholes, and repair spots in outdoor gear

• Performs reliably in both extreme cold and heat

Ideal Use Perfect for backpackers, hammock campers, and minimalist shelter builders who use silicone-coated fabrics and want long-term waterproof performance. Use this sealer when you’re prepping a new shelter for the field, performing trail repairs, or sealing seams before a big trip.