Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to seal pavers [title] Choose a water-based sealer if your pavers are laid with joint sand. [step] 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.

Ending1: [substeps] These sealers require patience on the small cracks and crevices present by pavers containing joint sand. However, they keep your putty dry and helps seal the bond between pavers. Ending2: This ends up creating a hard seal over the entire paved area. [substeps] Water-based sealers do not darken the stones or give a high amount of shine to the pavers. Ending3: It also provides a nice polish over soft rock surfaces. [substeps] Even if your pavers are laid with joint sand, make sure to choose non-sand sealers. Ending4: [substeps] Require a vocals sealer if your pavers are laid in sand for more than a year. If you have carpeted pavers, they require a professional sealer.

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