· Incredibly strong and versatile; The leading multi-purpose waterproof glue· Best for tough repairs on dissimilar surfaces, both indoors and out· 100% Waterproof; Doesn't break down when exposed to outdoor elements· Versatile; Easily bonds wood, stone, metal, ceramic, foam, glass, concrete and much more!· Incredibly Strong: Expands 3 times into the materials to form an incredibly strong bond