Flex Seal Spray in Clear Flex Seal is a liquid rubber coating spray that turns into a durable waterproof barrier. It's easy to use and comes in a portable aerosol spray can. Flex Seal sprays out as a liquid, seeping into cracks and holes, and then dries to a rubberized coating. Flex Seal stops vibrations and deadens noise. Flex Seal seals out water, air, moisture, preventing rust and corrosion. Once dry, can be painted any color. EXCELLENT FOR Arts and crafts, Roof leaks, gutters, RV’S, campers, mobile home roofs, skylights, vent pipes, flashings, hoses, PVC Pipes, window sills, A/C drip pans, portable A/C units, duct work, chimneys, boats, bird baths, ponds, fountains, downspouts, flat roofs, metal roofs, foundations, gravel stops, asphalt shingles, overlapped seams, drip edges, rubberized and granulated roofs and so much more! HOW TO USE Read entire can. Wear face and eye protection, protective gloves, and clothing. Make sure the area is clean, dry and free of grease, oil, and dirt. Shake well: Spray 8” to 12” from surface using an even sweeping motion. Apply several even coats until ALL cracks and holes have been filled. Allow 24 to 48 hours to dry before applying another coat. Fully cures in 48 hours. Dry time depends on the temperature, humidity and thickness of the coating Use Flex Seal ONLY in a well-ventilated area. When using inside, prevent vapor buildup by opening doors and windows. Ensure fresh air entry during application and drying. Do not use near heat, sparks, pilot lights or other sources of ignition. TIPS AND TRICKS WET SURFACES AND RAINY WEATHER Flex Seal can be applied on a wet surface, or moist environment in the event of an emergency. It can also be applied during a light rain. However, Flex Seal will always adhere better to a clean, dry surface. To ensure its longevity, we recommend you reapply Flex Seal once the area is completely dry. EXTREME HEAT AND PRESSURE We do not recommend using Flex Seal spray to fix radiators, tires, and pressurized pipes FLAMMABLE MATERIAL  We do not recommend using on gasoline tanks. Do not use near heat, sparks, pilot lights or other sources of ignition. ​SURFACES TO APPLY ON Flex Seal will adhere to most any surface such as: wood, metal, tile, concrete, masonry, fabric, glass, plastic, aluminum, porcelain, dry wall, rubber, cement, some vinyls and so much more! Flex Seal may not be compatible with all plastics, vinyls, or rubbers. PROPRIETARY FORMULA Flex Seal is a thick, durable, mastic rubberized coating that is specially formulated to spray out as a liquid, seep into cracks and holes and dry to a watertight, flexible, rubberized coating. Flex Seal comes in Black, Clear, White, Brite, Gray, Red, Yellow, Terra-Cotta, Blue, Green, Almond and Brown. Once dry, Flex Seal can be easily painted any color!