Zinsser Gardz Sealer

Zinsser Gardz is a unique water-based sealer designed to deeply penetrate and bind down porous, chalky, and crumbling surfaces. Ideal for problem areas, the Gardz sealer dries to a hard, moisture-resistant finish that strengthens and prepares surfaces for painting. It effectively seals and reinforces damaged drywall, plaster, textured paints, and more, creating a smooth, stable foundation for subsequent coats. Zinsser Gardz Sealer works by deeply penetrating into the surface, creating a rock-hard, water-resistant film that protects and stabilises the area. It’s perfect for surfaces with issues like adhesive residue, spackling, joint compound skim coats, and calcimine. It helps smooth out uneven areas, providing a flawless finish when painted over. Gardz paint is touch dry within 30 minutes and recoatable in just 3 hours, with coverage of 5-10m² per litre. Available in 500ml, 1L, 2.5L, and 5L sizes, Zinsser Gardz Primer is the go-to solution for preparing porous, damaged, or textured surfaces for repainting. Key Product Features of Zinsser Gardz Sealer Repairs torn paper on damaged drywall, eliminates bubbles Seals old wallpaper adhesive Water-based, low odour, dries clear Dries fast to a hard, moisture-proof film Want to see more? Shop our full range of Zinsser Primers.