bathroom paint sealer comparison - September 2026

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Last updated on 02.09.2026

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Johnstone's - Bathroom Wall & Ceiling Paint - Pure Brilliant White - 2.5L | Mid Sheen Finish, High Condensation Walls & Ceilings, Moisture & Stain Resistant, 1-2 Hour Dry Time, 30m2 Coverage Per Tin

Johnstone's

21% off

free shipping

To the product (8 offers)

9,9

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Gorilla Waterproof Coat & Seal Clear, 473ml - Weatherproof Liquid Sealant | Stops & Prevents Leaks | For Roof Tiles, Brick, Wood, Metal, Concrete, Stone, Rubber, Plastics*

GORILLA

23% off

free shipping

To the product (1 offer)

9,8

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THE ONE All-In-One Paint & Primer - White Matt, 250 ml | Multi-Surface 1 Coat Formula | Easy Indoor & Outdoor Decorating for Home & Garden Walls, Floors & Furniture | Durable, Water-Based & Low VOC

THE ONE

free shipping

To the product (3 offers)

9,6

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Liquid Waterproof Sealant Clear 500 G, TUFINEIN Invisible Anti-Leaking Sealant Agent, Transparent Waterproof Coating Water-Based Indoor & Outdoor Roofs, Walls, Garden Anti Leakage Agent

Tufinein

free shipping

To the product (1 offer)

9,6

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Clear Waterproof Sealant Super Strong Anti-Leakage For Indoor Outdoor | Waterproof Coat Sealer Agent For Roof,Bathroom, Tiles, Wood,Patio Grout Sealer, Concrete,Glass,Stone,Rubber,Plastic,300g

ROUJAENIN

free shipping

To the product (1 offer)

9,6

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SIRAMICO COATINGS Anti-Mould Paint | 5 Litres | Superior 10 Year Anti Mould Resistant Paint for Bathrooms, Kitchens, Walls and Ceilings - Easy Brush & Roller Application

SIRAMICO COATINGS

13% off

free shipping

To the product (3 offers)

9,5

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Clear Waterproof Sealant,300g Silicone Sealant Waterproof Paint | Invisible Waterproof Insulation Coat Stops Prevents Leakage For Roof,Bathroom,Tile,Wood,Glass, Plastics,Outdoor Indoor

SomVibes

free shipping

To the product (1 offer)

9,5

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1KG Clear Waterproof Sealant,Invisible Waterproof Agent,Liquid Waterproof Paint,Waterproof Coating for Outdoor & Indoor,Roof,Shower Bathroom

BSCPAM

free shipping

To the product (1 offer)

9,4

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PLINTEX® Grout & Tile Sealer 1L for Shower & Bathroom covers up to 12sqm | Water-Based Sealant with Long-Lasting Lotus Effect - Grouting Protector against Limescale & Dirt I Made in Germany

PLINTEX

free shipping

To the product (1 offer)

9,4

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Polar Tile & Grout Sealer Clear Spray - 400ml - Instantly Waterproofs and Protects Floor Tile on Bathroom, Shower & Kitchen Tiles, Stone Masonry - For Interior & Exterior Surfaces

Polar Specialist Coatings

free shipping

To the product (2 offers)

9,3

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Dryzone Damp Proof & Damp Seal Paint White (500ml) for Walls, Bathrooms, Ceilings & Interior Surfaces – Blocks Damp, Mould & Stains - Quick Drying Matt Undercoat Paint

Dryzone

£ 16.99 free shipping

To the product (1 offer)

Liquid Waterproof Sealant 35oz, Transparent Waterproof Coating Water-Based Invisible Repairing Leak Agent Roofs, Walls, Bathroom, Kitchen Indoor & Outdoor

STARTSO WORLD

£ 19.79 free shipping

To the product (1 offer)

Clear Waterproof Sealant 500g,Anti-Leak Paint For Bathroom Kitchen Garden | Strong Stop Leaking Insulation Sealant Waterproof Coat Water-Based Agent, For Shower,Roof,Wall,Patio Outdoor Indoor

FALILUV

£ 13.29 free shipping

To the product (1 offer)

32% off

Everbuild 402 Water Seal – High Performance – Long Lasting Protection From Water Damage – Solvent-Free Formula – Water Repellant – 5 Litre

UPDATED BRAND – Product previously know as Everbuild 403 Concrete Hardener & Dustproofer

£ 12.70

To the product (7 offers)

13% off

Polycell One Coat Damp Seal 500ML

POLYCELL

£ 11.72

To the product (14 offers)

7% off

Grout Reviver - Grey Grout Paint & Whitener for Bathroom and Kitchen Tiles - Waterproof Grout Restorer & Sealer Marker for Floors and Walls

Magic Chems

£ 12.99 free shipping

To the product (1 offer)

30% off

Everbuild Aquaseal Waterproof Tanking Membrane – Flexible – Waterproof – Easy To Apply – Internal And External – Blue – 5 Litre

Everbuild

£ 31.49 free shipping

Only:

9hrs

48min

41sec

To the product (9 offers)

22% off

Invisible Waterproof Agent 1KG | Transparent Sealant for Bathroom, Shower, Concrete & Roof, Indoor/Outdoor Use

PIBEIBUK

£ 24.99 free shipping

To the product (1 offer)

Grout Sealer, 200ml Waterproof Tile Sealer for Shower Tile, Floor, Kitchen - 2-in-1 Spraying & Squeezing Application - Clear Fast Dry Stain Resistant Grout Sealant for Bathroom, Shower, Marble

DecorRom

£ 9.99 free shipping

To the product (1 offer)

Hemway Stain Blocker Paint & Primer Satin White 1L - 1 Pack, Damp Seal | for Bathroom, Kitchen, Bedroom, Walls & Ceilings, Damp Proof, Wood Primer, Undercoat Stain Block Paint

Hemway

£ 24.95 free shipping

To the product (2 offers)

Damp Seal White 250ml – Damp Proof Paint & Mould Protection – Anti Mould Paint for Bathroom & Interior Walls – White Sealant to Cover Damp Stains

AXpower Inspirational Technology Empowering People

£ 11.75 free shipping

To the product (1 offer)

Pandacoat

£ 25.19 free shipping

To the product (1 offer)

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