Your 300 mm floor tiles may be 297mm and your 300mm wall tiles 298 mm and assuming each side of square tiles are the same dimension.
Should floor and wall grout match.
From looking at houzz and reading the comments i think i want to use mapei warm gray unsanded grout on the walls and custom building products sanded grout in natural gray on the floors.
The centres of your tiles wall and floor need to be exactly the same so if the tiles are exactly the same size you have to use the same size spacers for wall and floor.
The floor is going to be a 4x8 herringbone marble.
The shower is going to be a white subway tile.
If your room is off square you might find the lines creeping off but should be ok in a bathrooom.
Marble tile typically contains several different colors and color.
As mentioned above set out the floor first to govern the lines for the wall.
To three options the best way to choose grout is to decide if you want it to match.
One camp says that the wall and floor tiles should complement each other but should not match.
I was planning on doing delorean gray grout in the shower area and plantinum grout on the floor.
The other camp says that running floor tile up the wall is a dramatic way to add interest to the kitchen or bathroom particularly when you re using large.
Choosing a coordinating grout the.
I am doing white subway tile with black trim on my bathroom walls and unglazed 1 white porcelain hex tile on my floors.
Don t attempt to line up.
Even using tile vertical and same width grout you may think it will line up but unless using matching floor and wall tiles it will not work.
Why your grout choice is just as important as your floor tile.
Walls 13 hard flooring 87 hardwood laminate 36 linoleum 2 specialty flooring 5.
This is because matching floor and wall tiles make a room feel smaller and more closed up.
Since there are so many different tile styles available for purchase it would be impossible to match a tile to a grout color exactly.
Plus most tiles are not solid colors and have modeling or shading that prevents one color from matching exactly.
Grout color has a large impact on the appearance of a tiled wall counter or floor.
We re tiling our bathroom shower and bathroom floor.
Should grout color match your marble tile.
All the grout lines match up perfectly but there are small variations in the tile sizes resulting in the grouting being variable widths.
Back in the day when most tiles had cushion edges matching the grout lines between floor and wall tiles was a must.