It is a two-part epoxy compound specialty to repair damp, wet, and underwater applications. It repairs, rebuilds, and bonds to many substances such as fiberglass, metal, wood, concrete, PVC, ceramic, and other materials. Aquastick has a work-life of 15 minutes. After 16-30 minutes, it will harden and form a strong bond to the substance. It can be drilled, tapped, machined, and sanded when fully cured.