Profile: Dean Enterprises, Inc. is a manufacturer of waterproofing products. Our mold prohibitor is a water based penetrating sealer that is used for the prevention of mold growth on masonry block, pre-cast and interior poured concrete structures. Our waterproofing products are designed to protect against moisture problems. Our specially formulated clear penetrating material is suitable for dampproofing of masonry block, pre-cast and poured concrete foundation walls.