Features

• 🛡️ Long-lasting protection — prevents mould and mildew growth on paint film for up to 5 years

• 🎨 Strong adhesion — bonds effectively to solvent-based and glossy paints for reliable results

• 🧱 Multi-surface application — ideal for interior walls, ceilings, plaster and previously painted areas

• ⚡ Seals porous surfaces — creates a uniform base for topcoats and improves paint durability

• 🛠️ 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

Our Delivery Options

Express 2/4 Day Delivery

• Delivery Fee:
• Order By: 
• Delivery Time: Before 6pm Monday-Friday

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Next Business Day Delivery

• Delivery Fee:
• Order By: 
• Delivery Time: Before 6pm Monday-Friday

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Pre-12 Next Business Day Delivery

• Delivery Fee: £12.99 delivery for all pre-12 orders
• Order By: 
• Delivery Time: Before 12pm Monday-Friday

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Remote Areas Delivery

• Delivery Fee:
• Order By: 
• Delivery Time: Standard delivery (2-4 days)

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Weekend Delivery

• Delivery Fee:
• Order By:
• Delivery Time: Before 6pm Saturday

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Good To Know

For orders to some addresses, especially in the Highlands of Scotland and Offshore, next day delivery options are not available and delivery can take several days. Saturday delivery is not available for remote areas.

Items over 30kg: Items over 30kg can only be delivered from Monday to Friday. If ordered before 3pm, please allow up to two business days for delivery. Orders placed after 6pm Thursday will be delivered after the weekend.