Prepare and protect timber before applying your final finish with Protek Wood Primers & Preservers. Designed to create the right foundation for painting and staining, the range includes specialist wood preservative for protecting untreated timber and stain-blocking primer for preventing tannins, treatment chemicals and rust marks from showing through your topcoat. Ideal for sheds, summerhouses, log cabins, pergolas, cladding, doors and other timber projects.