🛠️ Flex Paste MAX: Your Ultimate Repair Companion! Fills large cracks and holes effortlessly. Resistant to sun damage, keeping your repairs intact. Blocks out air and moisture for ultimate protection. Perfect for any project, indoors or out. Apply and dry even in the depths! Paintable Waterproof Air-tight Flex Paste MAX is a 12 lb can of waterproof, paintable putty designed to seal gaps, cracks, and holes in various surfaces. It features a stay-fresh container that locks in sealing power, can be applied underwater, and is fully paintable once cured. Ideal for a wide range of applications, from home repairs to marine projects, this UV-resistant sealant is made in the USA.