Cuprinol Ultra Tough Wood Filler 500g is a tough and durable formula for repairing damage caused by wet rot, and for major joinery repairs. It is used before varnishing, painting or staining bare wood to repair decayed wood. This product may also be used indoors and outdoors on sound wood like furniture and panelling to fill knot holes, screw and nail holes. The Tough Wood Filler hardens by chemical reaction. It is fast setting, non-shrinking, weather-resistant with good adhesion to sound wood.

Brand Name	Cuprinol