Our premium quality water-based acrylic multi-purpose bonding primer, fast drying, primer sealer and stain killer for use on all wood, masonry or previously painted surfaces. Suitable for interior or exterior applications. Provides excellent adhesion to a variety of surfaces including drywall, wood, cured plaster, masonry or galvanized metal and aluminum. Highly alkali resistant. May be applied to new concrete or masonry surfaces with a pH up to 13.0 and prior to a 30 day cure.