Frequently bought together
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Free delivery on orders over £30
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30-day easy returns
Frequently bought together
Features
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🛡️ Long-lasting protection — prevents mould and mildew growth on paint film for up to 5 years
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🎨 Strong adhesion — bonds effectively to solvent-based and glossy paints for reliable results
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🧱 Multi-surface application — ideal for interior walls, ceilings, plaster and previously painted areas
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⚡ Seals porous surfaces — creates a uniform base for topcoats and improves paint durability
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🛠️ Trusted by decorators — quick-drying, easy-to-apply formula suitable for DIY and professional use
Description
The Zinsser Gardz Sealer Primer (500ml) is an advanced interior primer designed to provide long-term mould and mildew protection, keeping surfaces cleaner and fresher for longer. Specially formulated to bond to existing solvent-based and glossy paints, it ensures excellent adhesion and a durable finish. This primer also seals porous surfaces, creating a consistent base that enhances the performance of subsequent topcoats. Ideal for use on walls, ceilings, plaster and painted surfaces, it offers up to 5 years guaranteed resistance against mould and mildew growth. Easy to apply with brush or roller, it’s the perfect choice for both DIY enthusiasts and professional decorators. Supplied in 500ml
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Free express delivery on all orders over £30. Choose your speed at checkout.
Express Delivery
1–3 working days
- Orders under £30
- £3.79
- Orders over £30
- FREE
Next Day Delivery
Order by 2pm Mon–Fri
- All orders
- £7.50
Pre 12 Delivery
Next working day, by midday
- All orders
- £16.99
Pre 10.30 Delivery
Next working day, by 10:30am
- All orders
- £19.99
Weekend Delivery
Saturday & Sunday
- Orders under £30
- £13.99
- Orders over £30
- £7.50
Remote Areas Delivery
Highlands, islands & remote postcodes
- Orders under £30
- £5.49
- Orders over £30
- £3.00
Orders before 2pm Mon–Fri dispatch same day. Remote-area surcharges apply to Highlands, islands & selected postcodes. All prices include VAT.
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