Dulux Trade Clear Satin Wood varnish 2.5L Tin. Perfect for a tough & durable finish over bare wood or previously stained or varnished surfaces. rapid drying properties allow work to be completed quickly this clear wood varnish from the Dulux Trade range can be applied to interior using a brush. The low odour non yellowing varnish dries in just 30 minutes & will cover 20 m A² per litre on average.