MONDO™ LIQUID SEAL™ is a high-quality water-based elastic sealant and waterproofing membrane. It is a versatile gap filler and sealer to stop water leakages and moisture ingression in roofs and gutters, PVC pipes, metal sheets, and other construction materials such as concrete and wood. As a waterproofing membrane, it dries to a strong, durable, and flexible bond to provide a long-lasting air-water resistive barrier.