Gardner, 10 OZ, Crystal Clear, Leak Stopper Rubber Flexx Sealant, Flexible Rubber Sealant & Adhesive, Use To Seal Leaks & Cracks, Tremendous Adhesion To Most Materials, Extremely Durable, Elastic, UV Stable, 100 Percent Waterproof, Stops Water, Moisture & Air Leaks, Use On Roofs, Gutters, Siding, Doors, Windows, RVs, HVAC, PVC, Fiberglass, Masonry & Metal, Adheres To Wet, Damp & Dry Surfaces, Paintable, Interior Or Exterior, Coverage Approximately 25 Linear Feet With 3/16" Bead, Use Between 0 To 110 Degrees, Works Best Above 40 Degrees.