Leak Stopper Rubber Flexx Clear 10 oz. Tube is a crystal clear, flexible sealant and adhesive. The sealant is an extremely versatile product and has tremendous adhesion to most materials. The cured seal is extremely durable, elastic, UV stable and 100% waterproof. Use this sealant to stop water, moisture and air leaks. It is great for most projects including; roofs, gutters, siding, doors, windows, RV's, HVAC, PVC, fiberglass, masonry and metal. Plus, the Leak Stopper sealant adheres to wet/damp surfaces and is paintable.This product is warranted to give satisfactory results when our directions are followed in its use and application, for a period of twelve (12) months from the date of purchase. In no event however shall the manufacturer be liable for an amount in excess of the purchase price of the product used. If not satisfied, return to place of purchase for a refund