Renowned for its incredible strength and versatility, Gorilla Glue expands into materials to create a durable bond which is 100% waterproof and resistant to extreme temperatures. The water activated polyurethane formula expands into materials to form an incredibly strong bond to virtually anything, making Gorilla Glue the perfect solution for a wide range of projects, both indoors and out. Features & BenefitsIncredibly Strong - Expands into materials to form an incredibly strong bond.100% Waterproof - Won't break down when exposed to moisture.Bonds Dissimilar Materials - Stone, metal, ceramic, glass, wood, foam, brick and more!Temperature Resistant - Withstands extreme temperatures (-40°C to 100°C).How to UsePREPARE: All surfaces must be clean. Wear gloves to avoid contact with skin. Gorilla Glue will stain skin and ruin clothes. 1. DAMP IT: Gorilla Glue is activated by moisture. Lightly dampen either surface with water. Do not saturate the surface. Do not add water to bottle. 2. GLUE