It can be used, but it is not our best recommendation. Split-face block has pores that are incredibly large and Paver Sealer is not capable of filling them well. MasonrySaver Split-Face Block is the best product to use. This product is a silane/siloxane blend with acrylic elastomers that penetrate small pores and reduce the size of larger ones. This combination gives MasonrySaver Water Repellent for Split Face Block the advantages of both a film forming coating and a hydrophobic silane/siloxane water repellent.

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