installing 12x24 tile what size grout line for 12x24 and installing 12x24 tile grout size for your tile what size grout line for 12x24 and grout size for your tile installing 12x24 tile 8 grout for bathroom tiles grout size for your tile newtech antracite 12x24 double loaded installing 12x24 tile glazed porcelain marble grout lines be for 12x24 tile basic travertine cream 12x24 matte 3x12 shower tiles grout size