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How to seal pavers
Choose a water-based sealer if your pavers are laid with joint sand.
Water-based sealers are sprayed on and give an even coverage. The main benefit of a water-based sealer is that it hardens the joint sand and penetrates into pavers better.
This ends up creating a hard seal over the entire paved area. Water-based sealers do not darken the stones or give a high amount of shine to the pavers.