Thorndown Preservative and Primer

Thorndown™ Wood Preserver & Primers Thorndown Wood Preserver is a clear timber preservative for outdoor softwoods. This fantastic product is water-based and protects timber from fungal attack and rot. Thorndown Stain-Block Primer is a superb quality undercoat for their wood paint range. This primer comes in clear, white, grey and black, and apart from being a great primer, it stops marks, stains and knot resin bleeding through the topcoat. We deliver this high quality paint FREE to most areas in the UK.