Kwikwood is a hand-mixable epoxy putty, formulated to repair and rebuild wood. After mixing, it cures to the same density as wood and becomes an integral part of the repair. For use on exterior or interior applications, it contains no solvents, will not rot, shrink, crack or pull away. Kwikwood has a 15-25 minute work life. After 60 minutes, it can be machined, drilled, tapped, sanded, filed and painted. Stronger than wood, Kwikwood dries to a light tan color. - Repairs dry rot, knotholes, screw holes, insect damage, furniture and more - Sandable and is resistant to shrinking and cracking - Sets quickly in 15 to 20 minutes and can be painted on in 1 hour