Amazing GOOP Plumbing has been scientifically formulated to repair, seal and stick to a wide variety of materials with superior strength. It's ideal for sealing everything around the house from sink traps and porcelain fixtures to pool tiles and downspouts. Amazing GOOP Plumbing creates a flexible, waterproof hold that won't crack or break under stress – making it the most versatile and effective adhesive available. Strongest single-component adhesive. Bonds to metal, tile, plastic, porcelain, rubber.