Red Devil Blacktop & Roof Repair Sealant - 10.1 oz. is a solvent-based asphaltic formula that provides a flexible and weather-resistant seal for cracks and joints in asphalt driveways. It is also ideal for waterproofing, repairing, and sealing roofs, shingles, and flashings around chimneys and skylights. With excellent adherence to wet or dry surfaces, this product helps prevent water and frost damage. 0636 Blacktop & Roof Repair has a recommended application temperature range of 40F to 90F and a service temperature range of approximately -25F to 220F. It typically cures in one week under normal conditions and remains flexible after curing. This spec-compliant formulation meets ASTM D4586 and ASTM D3409 standards and has a textured appearance to blend with surrounding surfaces. The product is black in color and requires solvent clean up. It is considered flammable and combustible according to OSHA labeling. This product is not suitable for sale in California.