Flex Seal Gray Spray Rubber Sealant, 14 oz. is a versatile and easy-to-use spray that creates a strong, waterproof rubber coating. for sealing leaks, cracks, and holes, this gray spray sealant provides a durable barrier against water, moisture, and corrosion. Its fast-drying formula allows for quick repairs on a variety of surfaces, including metal, wood, plastic, and more. I for both indoor and outdoor use, Flex Seal a reliable solution to protect and extend the life of your belongings with a flexible, weather-resistant finish. Model Number: