Zinsser Gardz Problem Surface Sealer is a clear water-based acrylic resin sealer designed for interior application to porous surfaces prior to painting texturing or wallcovering. It is recommend for sealing problem porous surfaces such as bare or damaged drywall plaster cement and cementitious coatings spackling paste and joint compound calcimine stucco acoustic and texture finishes and uncoated wallpaper.
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