10 bestWater Stain Blockerof March 2025
112M consumers helped this year.
1

Polar Damp & Stain Block Spray | Matt White Spray Paint - 500ml | One Coat Anti Mould Spray | Damp Proof Paint for Internal Walls, Wood, Stone & Brick | Stain Blocker Paint for Ceiling
Polar Specialist Coatings

10.0
2

Polycell One Coat Damp Seal 500ML
Polycell

10.0
3

Zinsser Bulls Eye 1-2-3 Primer-Sealer & Stain Killer 500ml Ready Mixed Colour - White
Zinsser

9.9
4

RUSTINS Stain Blocker & Multi-Surface Primer 250ml
RUSTINS

9.7
5

Zinsser Cover Stain 1 Litre
Zinsser

9.5
OtherUp to 27% off
6

Everbuild Stain Block – Highly Pigmented – Easy to Use – White – 400ml, 24' x 3'
Everbuild

9.3
7

Polar White Damp Seal Paint - 500ml - Matt Finish - Stain Blocker and Anti Damp Proof Paint for Internal Walls & Ceilings
Polar Specialist Coatings

9.0
8

JENOLITE Stain Blocker Paint | WHITE | 400ml | Damp Seal Paint | Stain Block Spray Paint | Damp Paint & Anti Mould Paint For Walls & Ceilings | Immediately Block Stains, Mould & Mildew
JENOLITE

8.8
9

Polycell Stain Stop, 250 ml
Polycell

8.5
14% off
10

Ronseal OCDSW250 250 ml One Coat Damp Seal - White
Ronseal

8.3

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