ENHANCER SHIELD WB is an active water-based silicone water repellent and impregnating agent for porous masonry surfaces such as concrete, block, brick, and unglazed tile. CLEAR application that enhances colored and stained concrete, decorative stones, pavers and cementitious overlays with no film build! ENHANCER SHIELD WB penetrates and chemically bonds deep within the substrate to provide long lasting protection against deterioration, cracking or staining due to water conditions. It leaves a true matte finish that will not change the feel of the surface and will not make the concrete slick. Also, Enhancer shield WB has a low VOC that makes this a perfect product for occupied buildings.