Top 8 Slate Sealers

Discover the UK's favourite slate sealers, see how shoppers rate them, and learn where you can buy them across 15 supermarkets.

Slate Sealer | Premium Grade Water Based Impregnating Sealer | Invisible & Breathable Barrier | Protects Against Penetration By Water Oil Dirt Limescale & Grease | Natural Finish |

5l

Where to buy

£69.99

Essential Colour Boost Slate Sealer

5l

3 x

Where to buy

£94.95

£149.00

Essential Matt Finish Slate Sealer

5l

3 x

Where to buy

£124.00

Essential Satin Finish Slate Sealer

5l

2 x

Where to buy

£99.00

All Stone Sealant Slate STONECARE4U Indian Sandstone Satin Wet Look Sealer

25l

Where to buy

£194.95

Colour Boost Slate Sealer

5l

Where to buy

£56.95

£169.95

Dry Finish Natural Stone Sealer

1l

Where to buy

£24.25

Wet Look Natural Stone Sealer

5l

Where to buy

£79.95