Bone Dry Original permanent penetrating concrete sealer addresses your concrete moisture related issues. Our Original Sealer solidifies to fill the pores below the surface of the concrete slab preventing moisture from reaching the surface. Bone Dry Original can be applied to interior and exterior cement-based products. These include interior and exterior slabs, garages, driveways, patios and porches, sidewalks, and concrete pavers. When used with our Bone Dry Primer, our Original Sealer can also be used over extremely porous concrete block walls. Permanent (One time use) VOC Free Extends concrete service life Water based For interior and exterior use For below/on/above grade slab use Can be applied to new and existing concrete Can be applied under or over patching compounds