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

Where to buy

£69.00

Essential Colour Boost Slate Sealer

5l

3 x

Where to buy

£6.95

£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

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

£79.95