Gorilla Glue Gorilla Glue Mixed CDUThis Gorilla Glue Mixed CDU contains the following; 5 x Gorilla Glue is a polyurethane glue that, when exposed to moisture, reacts and creates a foaming action that fills whilst it sticks. The glue dries a tan colour, is totally waterproof and is incredibly strong. Bonds all types of wood, including pressure treated wood. It also bonds stone, metal, ceramics, foam, glass, leather and more. Once dried the product is sandable, stainable, paintable and