4 oz. Epoxy putty stick

This hand mixable epoxy sealant can be used on concrete or fiberglass to fill cracks, gouges, and holes in pipes. Simple to use, just twist off amount desire, knead to a uniform color (fades to white when harden), apply and hold until adhesion begins. Can usually be drilled, filed or machined within one hour. Cures within minutes and in water as cold as 40°.