Top 10 Damp Sealer Spray UK – Wall Paint

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1. Polar Specialist Coatings

500ml, Matt White, Stops & Removes Mould & Stains, Ideal For Interior Walls & Ceilings, Wood, Stone & Brick, Plaster, Cement, Polar Damp & Stain Block Spray, Quick Drying & Excellent Coverage

Polar Specialist Coatings - Quick-drying - can be applied directly to damp surfaces and dries in just 10 minutes, leaving a smooth matt white finish. Polar damp & stain block can quickly and easily be applied to a wide range of surfaces, ceilings, stone, cement, including paster, and brick to block stains instantly.

Immediately block stains – polar damp & stain block spray paint is a high performing coating which provides a quick and easy solution. Polar damp & stain block leaves an attractive matt white finish - which can be left as is. One coat & easy to apply – our spray formula makes it easier to damp proof and stain block hard to reach places. Excellent covering power - excellent covering power and long-lasting protection to stop stains immediately. Multi-purpose use for interior walls & ceilings - ideal for use on interior walls, window sills and bathroom.

Can be used to block and cover stains caused by smoking, pen, nicotine, soot, crayon, water & much more. Apply a minimum 2 coats for optimal results and allow to dry before adding additional coats. Spray action gives great coverage and is simple and easy to use. Can be used as a damp proofing primer/sealer prior to painting or wallpapering. Immediately cover unwanted damp, mould & stains on interior walls and ceilings from reappearing.
BrandPolar Specialist Coatings
ManufacturerPolar Specialist Coatings

2. Pro-Kleen

Powerful Bitumen Formula, Easy to Use Formula, Repairs Crack and Leaks, Black Magic Emergency Roof and Gutter Spray 4 x 500ml

Pro-Kleen - Uses an industrial-strength bitumen compound to heal any cracks, leaks or other damage instantly. Leaves a flexible coating that is crack and damage resistant.

Due to its flexibility, slate, this sealer can be used on felt, stone, concrete, plastic, metal, asphalt, wood and UPVC – allowing you to seal any surface you wish with ease!. Super hard-wearing and a completely waterproof formula to keep your roof and gutter strong and leak-free. Suitable for use on all hard surfaces such as felted or asphalt roofs, CONCRETE, GUTTERING, stONE, slate, METALS & WOOD. The quick and easy way to repair roofs and gutters. Suitable for repairing larger areas if the area is covered with gauze and then sprayed with Black Magic Roof and Gutter Repair.
Part NumberBM2BIT

3. Ronseal

Ronseal QDDSAW400 Quick Dry Damp Seal Aerosol White 400ml

Ronseal - It can be applied directly to damp surfaces and only takes 10 minutes to dry. Ronseal damp seal aerosol permanently blocks damp stains and prevents them from damaging topcoat paint. The aerosol application makes it easier to access hard to reach places.
Height6.5 cm (2.56 Inches)
Length20 cm (7.87 Inches)
Width6.5 cm (2.56 Inches)
Part NumberQDDSAW400

4. Everbuild

400 ml, White, Everbuild Stain Block

Everbuild - Heavily pigmented formula for quick and easy coverage. Works on most types of household/ commerical surfaces. Permanently prevents existing stains such as; water marks, mould stains, nicotine, grease, rust, soot and pen marks. Brand: Everbuild. Stairway Cotton Dust Sheets. A spray applied heavily pigmented white paint. Easy application aerosol formula. Size: 24' x 3'.
ManufacturerSika Everbuild
Height2.56 cm (1.01 Inches)
Length7.87 cm (3.1 Inches)
Width1.1 cm (0.43 Inches)


Raincheck Universal Water Seal 5 Litre Breathable, Colourless Waterseal for Brick, Wood and Stone

SAFEGUARD - Rapid curing, Breathable, Colourless Water Seal. Even penetration - No Wet Spots; Bridges hairline cracks. High strength formulation - 5% Active Ingredient. Long-lasting up to 10 Years Protection. Brick, wood & stone waterproofing.
ManufacturerSafeguard Europe Ltd
Height24 cm (9.45 Inches)
Length19 cm (7.48 Inches)
Width16 cm (6.3 Inches)
Part NumberWaterseal

6. Polycell

500 ml, Polycell PLCDSAREO Damp Seal Aerosol

Polycell - Prevents damp showing through and spoiling decoration. Works in just one coat. Matt finish that can be over painted. Seals patches of penetrating damp.
ManufacturerICI Paints Akzo Nobel
Height6.5 cm (2.56 Inches)
Length23.01 cm (9.06 Inches)
Weight0.47 kg (1.04 Pounds)
Width6.5 cm (2.56 Inches)

7. Polar Specialist Coatings

Ideal for Drain & External Pipe Leaks & Cracks, Interior & Exterior Use, Polar S1 Superior Clear Leak Sealer Spray, Tough Waterproof Sealant, Instant Repair & Long Lasting Protection, 400ml

Polar Specialist Coatings - Our easy to apply formula delivers instant protection, with our waterproofing spray that gets to work right away. Effective against window and external water pipe leaks & cracks. Allow 24 hours to dry, for maximum paint hardness. Instant waterproof - polar leak sealer spray provides an instant waterproof seal with excellent resistance to weathering and a high covering power.

Multi-purpose use for interior & exterior surfaces - can be used on interior and exterior surfaces to seal fine leaks and cracks for a wide variety of applications such as metal, wood, ceramics, roofs, gutters, plastic, PVC, external drain pipes and much more. Plastic and external drain pipe sealant. For emergency fixes - quickly and easily repair cracks and leaks on gutters, which is ideal for emergency work on a wide range of surfaces.

Apply a minimum 2-3 coats, leaving 10-15 minutes between applications. Our leaksealer offers high performance, long-term waterproof & corrosion protection. Not only gives instant repair to leaks and cracks, but also provides a long lasting protection. Our leak sealer comes in a variety of colours; Clear, White or Black. Long lasting protection - specifically designed with a rubberised protective formula. Stop leaks fast, external pipes & windows.
BrandPolar Specialist Coatings
ManufacturerPolar Protective Products
Height18 cm (7.09 Inches)
Length18 cm (7.09 Inches)
Weight0.34 kg (0.75 Pounds)
Width7 cm (2.76 Inches)
Part NumberLEAKSEAL1209


Waterproof sealant, Seals & Stops Leaks, BLACK, Fills, 400ml, JENOLITE Stop Leak Sealer Spray

JENOLITE - Waterproof seal stops leaks and drips fast. Remains flexible & pliable for years after use. Dries to create a waterproof seal. Suitable for the quick repair of guttering, pipework, drains, windows, roofs and other leaking areas. Completely waterproof and corrosion resistant surface.
Part Number89090
ModelBlack 1


Immediately Blocks Stains for Good, White, JENOLITE Stain Blocker, 400ml, Damp Seal Paint

JENOLITE - Full cure in just 60 minutes. Works on most household surfaces. Easy to apply in aerosol form. Immediately blocks stains for good. Suitable for stopping all kinds of stains such as - Water marks, rust, nicotine, satins, soot, grease, crayon & pen marks.
Part Number89091

10. Yoye

Leak-Trapping Agent, For Bathroom Tile, Exterior Wall Roof Roofing, Yoye 30/100/300mL Super Strong Bonding Adhesive Sealant: Sealant, Permeable Invisible Waterproof Agent

Yoye - Wait a few minutes, and form a waterproof layer after curing for 24 to 48 hours. The use of 300ml invisible waterproofing agent is about 6 square meters. Spray or brush the product directly on the surface of ceramic tiles, floor tiles, when there is no liquid on the surface, spray twice or three times to enhance the effect, wall tiles and cement.

Waterproof sealant will not crack or peel off in the cold winter. The waterproof sealant cleans the foundation surface before construction to ensure that the foundation surface is dry and dry. Wide range of uses- the leak-proof glue can be used for the seepage of cracks, the seepage of walls, the seepage of waterproof sealant for toilets, the seepage of windowsills, the seepage of roofs and the seepage of external walls. Effective repair glue- waterproofing agent can easily solve the problem of water leakage.

Efficient waterproofness- the coating glue of the sealant sealant is your quick and easy application method, waterproof sealant can protect and prevent leakage! After drying, sealing, you can apply any color. Weatherproof sheds and fences are up to 3 years. High temperature resistance- this sealant will not sag or drip under the high temperature in summer. Long-lasting effect- the sealant has quick-drying ingredients and is easy to apply, repair and seal.
Part NumberIH12VD5321847G68VR