| Valspar PVA Primer is specially formulated for the pro painter's needs. Our PVA primer effectively seals porous surfaces, preparing them for any architectural top coat. Valspar PVA primer can be used on bare or previously painted drywall, plaster, wood and masonry. Due to its great flow and leveling properties, Valspar PVA primer can be brushes, rolls and sprays with ease.