Armstead Trade Wood Primer is a professional quality, solvent-based wood primer with excellent adhesion properties providing an ideal surface for Armstead Trade Undercoat. Suitable for non oily soft woods and hard woods on both interior or exterior surfaces. Stir thoroughly before application, touch dry in 4 - 6 hours and recoatable in 16 - 24 hours depending upon temperature and humidity. Coverage, up to 13m² per litre on most surfaces. This product should not be thinned. After use, remove as much paint as possible from brushes or rollers before cleaning with white spirit.