Sets like concrete in or out of water

Seals leaks in swimming pools, tiles, bathrooms, roofs, windows, troughs, tanks, pipes, fuel tanks, oil sumps, radiators
Highly insulative, insulates leads, watertight, repairs plugs, insulators, fittings, electric fence components
Remake broken parts, handles, patterns, molds, grout, repair antiques and ceramics
Also use in Taxidermy and Coral propogation