The Differences Between Grout and Mortar
With some overlap in cementitious ingredients, grout and mortar do share a few properties. But largely, grout and mortar should not be used interchangeably. What Are Grout and Mortar? phasinphoto / Getty Images Groutis used for filling joints or seams between tiles, andmortaris used as a bonding agent underneath the tiles. What Is Grout? Groutfills and firms up the spaces between tiles. By bridging from one tile to the next, grout prevents chips and cracks from developing along the edges....