Clear Bonding Primer is a fast dry multi-surface transparent primer. Dry to touch in 30 mins, recoat in 1 hour. Can be used over unpainted surfaces, water based or oil based paints. Primer is water-based for easy cleanup. Suitable for sealing wood, and porous surfaces. Has some stain blocking properties but may not block stubborn tannins. Coverage is approximately 75 square feet per pint. Apply with brush, foam roller or sprayer.