Zinsser Gardz Problem Surface Sealer Quart Water-based sealer that penetrates and seals down damaged drywall and eliminates bubbles. Seals builder's flat, skimcoats and spackling, protects new drywall, and seals in residual wallpaper adhesive, textured walls and popcorn ceilings. Easy to apply, fast-dry, low odor, dries clear. Features & details Zinsser Gardz 2304 Water Based Problem Surface Sealer, 1 qt, Clear, Matte Penetrates and seals down damaged drywall, eliminates bubbles Seals builder's flat, skimcoats and spackling; protects new drywall Seals in residual wallpaper adhesive, textured walls and popcorn ceilings Repairs torn paper on damaged drywall Dries to a clear, matte finish, creating a hard, paintable seal over damaged drywall, adhesive residues and other chalky surfaces Low-odor, water-based formula Build the cart around the prep, application, and cleanup steps so you can conquer the weekend with fewer store runs. Build the rest of your project cart with prep, patch, primer, and repair supplies.