Zinsser Gardz Sealer Primer, 1L, Clear

Zinsser Gardz® Sealer Primer is a clear, water-based, acrylic resin sealer designed to penetrate deeply into porous surfaces. It dries quickly and forms a hard, moisture-proof film that prevents drywall blistering and bubbling. This product effectively binds chalky surfaces, strengthens soft texture finishes, and seals in residual wallpaper paste, making it an essential solution for a variety of surfaces.

Gardz® Sealer Primer can be applied to high-pH surfaces and is easily cleaned up with soap and water, offering convenience alongside high performance.

Key Features

• Fast Drying: Forms a moisture-proof film quickly.
• Versatile Application: Suitable for damaged drywall, new drywall, plaster, calcimine, wallpaper adhesive residue, textured walls, and more.
• Protective Barrier: Prevents blistering, tearing, and moisture damage.
• Easy Clean-Up: Simply use soap and water.

Recommended Uses

• Damaged Drywall: Seals damaged facing paper to create a sound surface for repairs.
• New Drywall/Joint Compound: Uniformly seals porous surfaces, preventing splotchy and uneven finish coatings.
• Plaster: Suitable for freshly applied and old plaster, provided the surface is clean and dry.
• Calcimine: Penetrates chalky, water-sensitive surfaces without the strong odour of oil-based coatings.
• Wallpaper Adhesive Residue: Seals in residual adhesive to prevent cracking and peeling of water-based topcoats.
• Texture and Popcorn Finishes: Hardens soft or crumbly texture, creating a durable, water-resistant barrier.
• Old Wallpaper: Seals true paper wallcoverings effectively if they lack a vinyl coating.
• Pre-Wallcovering Primer: Provides a sealed surface for new wallcovering and protects drywall during redecorating.
• Builder’s Flat Paint: Binds chalky paint to the wall, offering water-­