Description Devcon Rubber Adhesive Make waterproof repairs on vinyl or rubber fabrics. Just apply to worn area and let dry. When used with a patch, Devcon Rubber Adhesive seals as it bonds. Dries quickly to a semi-transparent, amber colour. Repairs boots, rainwear, inflatables and tents made of rubber or vinyl. Flexible, waterproof, airtight seal. Bonds on contact.