A medium setting (30 minutes), fiberglass-reinforced polymer compound that enables permanent repairs to many surfaces including fiberglass, concrete, ceramic, glass, metals, wood and many plastics. It is specially formulated to adhere surfaces exposed to damp or underwater (salt or fresh) conditions. Once cured, it can be drilled, screwed, machined, filed or painted. It will not rust, shrink or pull away. It is resistant to water, temperature extremes, and chemicals such as hydrocarbons, alcohols, esters, and dilute acids.