Black Jack Silver-Seal 300 Fibered Aluminum Roof Coating is a liquid applied coating that forms a reflective and protective finish to roofs. This blend of asphalt and aluminum forms a bright silver finish that reflects heat and UV rays. This roof sealant will seal and waterproof a variety of roof and outside wall surfaces. It protects, insulates, decorates and preserves built-up asphalt roofs, composition roofs, silos, metal roofs, siding, and water towers. The roof coating sealant may also be used on cinder blocks as a sidewall coating. Do not use Silver-Seal on shingle roofs, or over rubber membranes, EPDM roofing systems, or elastomeric type coatings.Gardner-Gibson warrants product to be free of material defects for a period of 3 years, the "Warranty Period", from the date of purchase. Product must be applied in accordance with the proper application procedures, and for the intended use as stated on the label. Proper preparation and drying conditions must be observed to achieve correct results. Should a product not perform as stated, Gardner-Gibson shall, within its sole discretion and upon receipt of purchaser's timely written notice within the Warranty Period, provide replacement product to repair the affected area or prorate a portion of the purchase price of the defective product based on the claim period. This limited warranty does not cover labor or installation costs, consequential damages or incidental damages. Under no circumstances will the company be liable for any amount in excess of the product purchase price. Contact company below to request a refund with purchase receipt. There are no warranties which extend beyond the description on the face hereof. THIS LIMITED WARRANTY IS THE SOLE WARRANTY PROVIDED BY GARDNER-GIBSON TO THE PURCHASER. THERE IS NO IMPLIED WARRANTY OF MERCHANTABILITY OR IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE PROVIDED WITH THIS PRODUCT.