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 Water Based

5l

Where to buy

£69.00

Essential Colour Boost Slate Sealer

5l

3 x

Where to buy

£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

Essential Satin Finish All Stone Sealer

25l

Where to buy

£194.00

£194.95

Colour Boost Slate Sealer

5l

Where to buy

£6.95

£56.95

Dry Finish Natural Stone Sealer

1l

Where to buy

£26.95

Wet Look Natural Stone Sealer

5l

Where to buy

£26.95

£79.95