NEW INSTALLATIONSealing is strongly recommended for newly installed marble flooring and other natural stone flooring to provide maximum stain protection when performing tile floor care. Be careful to select a high-quality sealer to protect your natural stone. Pre-Grout Sealing A non-sanded grout is strongly recommended for natural stone installations due to the narrow grout joints customarily preferred. This type of grout has very fine particles of cement, polymers, and color pigments…