Ronseal Multi purpose Natural Ready mixed Wood Filler 100g.This wood filler from Ronseal has been specially designed for general or minor repairs to wood on window frames screw/nail holes cracks and skirting boards around the internal & external areas of your home. It provides tough and durable repairs to any wood it\'s used on. It\'s best applied with a filling knife or spreader and can be stained varnished or painted once dried. It\'s sandable heat resistant and drip resistant too.