Polar Damp & Stain Block Spray

Regular paint won’t cut it - stains and damp marks just show through again.

Our Damp and Stain Blocker Spray is more than just a damp seal paint for internal walls – it’s a shield against moisture, mould and an array of stains, including nicotine, smoke, rust, grease, crayon and pen.

Not only does this waterproof wall paint permanently stop stains from returning, it also leaves a smooth white surface ready for wallpaper or topcoat paint.

Easy to use, supplied in a handy aerosol can – it reaches awkward spots with ease. Quick drying in just 10 minutes, you can block mould, watermarks, and stains in no time.

Tackling damp in bathrooms
Bathrooms are mould hotspots. But Polar’s anti damp paint spray is designed for moisture-rich spaces, concealing mould while deterring future growth.

This powerful white mould spray paint safeguards walls and ceilings throughout your home, protecting against persistent damp patches.

Instantly block damp and stains
Revitalise your home with Polar Damp and Stain Block Spray – an all-in-one primer and sealer that combats damp, mould, and stains on walls and ceilings.

Quick-dry formula
Dries in just 10 minutes but provides long-lasting protection, actively deterring future growth. Leaves a clean matt finish, ready for paint or wallpaper. Explore our Damp Proof Paints Collection for more options.

One coat solution
A 500ml can covers up to 4m². One coat effectively blocks stains, damp, and mould – creating a waterproof, stain-free barrier.

Multi-surface compatibility
Use on plaster, cement, stone, brick, or pre-painted walls and ceilings. Works as both primer and sealer.

Long-term protection
Polar damp seal paint does more than cover problems – it prevents them coming back. Protects against mould, grease, smoke, nicotine, and more for total peace of mind.

Order Damp and Mould Spray Paint today

Priced at just £12.99 for a 500ml can, our Damp and Mould Spray Paint is a hugely effective and affordable way to banish stains from the interior walls and ceiling of your home - for good!

With all orders eligible for free next-day delivery, win the fight against mould and stains and invest today. Alternatively, if you have any questions about using this, or any of our products, please don’t hesitate to contact the team.