Farrow and Ball Wood Knot & Resin Blocking Primer.
For use on interior and exterior woodwork. It blocks resinous stains on bare hardwoods, resinous softwoods and knotty areas when using Exterior Eggshell, Estate Eggshell, Full Gloss and Dead Flat. Available in one colour. Farrow & Ball Primers & Undercoats are the crucial foundation to our topcoat. They ensure your colour is always primed for attention.