Flex Paste, Waterproof Paintable Putty, Spackle Sealant, Fill Gaps Cracks Holes – Block Out Water and Air – UV Resistant – Walls, Drywall, EPDM, Concrete, Roof, RV Repairs, Clear, Half-Quart

Customers find the sealant effective, with one mentioning it works well underwater, and they appreciate its easy application and water resistance. The adhesiveness receives mixed feedback - while some say it sticks well, others report it doesn't adhere to wet surfaces. Similarly, leakage prevention and drying time show mixed results, with some customers reporting it stops leaks while others say it doesn't work with active leaks, and while it dries fast for some, others mention it dries out too quickly. Durability and value for money also get mixed reviews, with some finding it durable while others consider it a waste of money.