POROUS TILE & GROUT & RECOMMENDATIONS FOR REINSPECTION OF TILE & GROUT Simply put, both the tile and the grout are porous. Because of their porosity, either the tile discs themselves or the cementitious grout between the tiles may be the source of water entry under the tile’s mortar bed and on top of the …

Continue reading SB326/SB721 Balconies with Tile & Grout