Zinsser Gardz Clear Primer

* Clear water-based acrylic sealer* Penetrates and seals porous surfaces* Prevents drywall blistering and bubbling* Binds chalky surfaces and seals wallpaper paste Zinsser Gardz Clear Primer strengthens and seals problem surfaces. It penetrates deeply to stop blistering, binds chalky areas and locks in residual wallpaper paste, leaving a hard, moisture-resistant base ready for painting.