Best Water Stain Blocker

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

Polycell One Coat Damp Seal 500ML

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

RUSTINS Stain Blocker & Multi-Surface Primer 250ml

Zinsser Cover Stain 1 Litre

Ronseal OCDSW250 250 ml One Coat Damp Seal - White

Polycell Stain Stop, 250 ml

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

Polar Stain Block Wall & Ceiling Primer Spray, White 400 ml - Ideal for Interior Wood, Walls & Ceilings - Prevent & Permanently Cover Stains & Watermarks from Resurfacing (Pack of 1)