• Seeps into cracks and holes to create a thick, flexible, waterproof rubberized barrier.
• Can be brushed, rolled, dipped, or poured for easy application on large projects.
• Provides maximum coverage and protection for demanding indoor and outdoor repairs.
• Resists weather, UV, mildew, and chemicals for long-lasting performance.

Flex Seal Liquid MAX is a high build, super thick rubberized liquid sealant designed for large scale sealing and waterproofing projects, allowing you to brush, roll, dip, or pour it over surfaces where it seeps into cracks and holes and cures into a durable, flexible, watertight rubberized coating that seals out air, water, and moisture; built for maximum coverage and protection, it resists weathering, UV rays, mildew, and chemicals and is ideal for roofs, foundations, basements, ponds, outdoor structures, RVs, boats, and other demanding indoor and outdoor applications where a tough, long lasting waterproof barrier is needed.