• damp proof paint
  • damp proof paint
  • damp proof paint
  • damp proof paint
  • damp proof paint
  • damp proof paint
  • damp proof paint
  • damp proof paint
  • damp proof paint
  • damp proof paint
  • damp proof paint
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Polar Specialist Coatings

Polar Damp & Stain Block Spray | Anti Damp & Mould Blocking Paint

Blocks Damp & Stains
One Coat Application
Easy To Apply
Colour
Size
£12.99
£12.99
    Free Technical Support
    Quality Assurance
    More information
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    Product Details

    Damp patches, mould marks, or stubborn stains ruining your walls and ceilings? Polar Damp & Stain Block Spray is a powerful all-in-one solution designed to block moisture, mould, and unsightly stains—fast.

    This high-performance spray doesn’t just cover problems, it seals them. With a quick-drying, waterproof formula, it permanently blocks stains while leaving a smooth white surface ready for painting or wallpapering.

    Key Features

    Instant Damp & Stain Blocking: Seals watermarks, damp patches, mould, nicotine, smoke, grease, rust, pen, and crayon marks.

    Anti Mould Protection: Helps deter future mould growth, making it ideal for bathrooms and moisture-prone areas.

    Fast Drying Formula: Dries in just 10 minutes, allowing quick redecorating.

    One-Coat Solution: 500ml covers up to 4m², creating a waterproof stain-blocking barrier.

    Multi-Surface Compatibility: Suitable for plaster, cement, stone, brick, and pre-painted walls and ceilings.

    Primer & Sealer in One: Leaves a smooth white matt finish ready for paint or wallpaper.

    Win the fight against damp and stains for good. Choose Polar Damp & Stain Block Spray for fast results, lasting protection, and cleaner interiors you can trust.

    Why use Polar Damp & Stain Block Spray | Anti Damp & Mould Blocking Paint

    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.

    Use For The Following Surface Types

    Brick
    Concrete
    Wood

    Technical Specifications

    Interior/Exterior Interior
    Number of Coats One
    Coverage 500ml covers up to 4m²
    Dry Time 10 minutes
    Colours White
    Size 500ml

    Application

    Preparation

    Prepare the area to be painted.
    If necessary, ensuring surface is free of dust, flakes of rust, grime, greases, oils etc

    Application

    Shake well until mixing ball rattles and continue for one minute.
    Repeat shaking at regular intervals during use.
    Apply sparingly from a distance of 20-30cm.
    Spray can in a motion from left to right or up and down until the area is covered with an even coat.
    Allow to dry fully and apply a second coat if required.

    Finishing Up

    When completely dry, surfaces can be painted or wallpapered over.
    On completion of use, invert can and depress actuator for a few seconds to prevent nozzle blockage.
    Keeps for up to 24 months when stored correctly.

    Downloads

    Safety Datasheet

    Technical Datasheet

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