Zinsser Gardz® Problem Surface Sealer – Ultimate Solution for Problematic and Porous Surfaces (1L)
Zinsser Gardz is a specialised water-based acrylic resin sealer designed to transform porous, chalky, and damaged surfaces into a stable foundation for decorating. This advanced solution penetrates deeply, creating a hard, moisture-resistant film that prevents blistering, bubbling, and other surface issues. Ideal for tackling problem surfaces such as damaged drywall, calcimine, old wallpaper residue, and textured finishes, Gardz ensures a smooth and professional finish every time.
Key Features & Benefits:
- Exceptional Penetration: Deeply seals porous and chalky surfaces.
- Moisture-Resistant Film: Prevents drywall blistering and bubbling, protecting surfaces during redecorating.
- Strengthens Finishes: Binds and stabilises crumbling textures and popcorn finishes.
- Residual Adhesive Sealing: Locks in old wallpaper paste to prevent peeling and cracking.
- High Alkaline Resistance: Effective on surfaces with pH levels up to 12.5.
- User-Friendly Formula: Water-based, low-odour, and cleans up easily with soap and water.
Recommended Uses:
- Damaged Drywall: Repairs torn drywall paper and seals spackling or joint compound, preventing future damage.
- New Drywall and Joint Compound: Provides a uniform, sealed surface for smooth and even topcoat finishes.
- Plaster and Calcimine: Effectively seals porous plaster and chalky calcimine, even at high pH levels.
- Wallpaper Residue and Old Wallpaper: Seals in adhesive residue and preps old papered walls for new paint or wallcoverings.
- Textured and Popcorn Finishes: Hardens and stabilises soft, crumbly textures for secure painting or priming.
Application Information:
- Coverage: 9-11m² per litre (surface porosity dependent).
- Drying Time: Touch dry in 30 minutes; recoatable in 3 hours.
- Full Cure: Achieved within 3 days.
- Application Methods: Brush, roller (synthetic nap of 3/8” or less), or sprayer (HVLP or airless systems).
Additional Details:
Gardz® appears milky-blue during application but dries clear, leaving a uniform sheen. It’s suitable for use on both new and existing substrates, including damaged drywall, plaster, and old wallpaper. Ensure surfaces are clean, dry, and free from loose material before application. Avoid over-application to prevent sagging, and always stir well before use.
Why Choose Zinsser Gardz?
Zinsser Gardz® is the ultimate problem-solver for challenging surfaces, providing unmatched stabilisation and moisture resistance. Whether you’re repairing damaged drywall, dealing with chalky finishes, or prepping walls for painting, this product ensures lasting results.
For more information, consult the Zinsser Gardz® Technical Data Sheet or contact Zinsser UK.
