12 oz, wood restore premium epoxy putty kit, repair compound is hand mixable epoxy putty specially formulated to repair & rebuild wood quickly & easily, when applied it adds structural strength to areas of damaged or rotted wood, it can be used to fill, build, reinforce or bond wood surfaces, after mixing, it forms a polymer compound that cures to the same density as wood, it may be used for exterior or interior applications; contains no solvents; will not rot, shrink, crack or pull away, after 60 minutes, it can be sanded, tapped, machined, dripped, filed & painted.