If needed move the line away from the center to have equal spaces on both sides.
How to set marble slabs on floor.
The adhesive should be thick enough that you can use the notched edge of the trowel to make grooves in the adhesive without showing the floor below but thin enough that it does not push up between the tiles.
Tiles are glued down with a thin set adhesive a mortar based product that now is the standard for ceramic and stone tile products.
It was an improvisation that led me to this marble threshold installation the ugly concrete slab.
Apply mortar preferably a thin set mortar.
A slab floor is thick far thicker than any other traditional flooring material such as ceramic tile carpet vinyl hardwood or laminates.
Check the layout of the marble tile to avoid having a tiny edge on one end of your floor.
In setting the marble slab the floor should be cut out and the floor slab set in to such a depth that the top of it comes about a quarter of an inch above the floor.
I much prefer the look of honed marble so was delighted to find honed slabs.
Marble slabs are much used under all bath room fixtures.
Apply a layer of thin set adhesive on the floor surface using a notched trowel.
Subfloor preparation is similar cement board underlayment installed over a sturdy plywood subfloor is the best base for marble tiles just as it is with ceramic tile.
The floor slab should never be set on top of the floor if the latter is of wood.
Place your marble tile on the mortar.
This particular marble slab was sold as a honed piece of marble versus a polished finish.
Be sure to wear heavy duty work gloves and work one section of the floor at a time.
After re creating a doorway that had previously been removed i found myself in a bit of a quandary staring down at carpeting on both side of the newly installed door and jamb with a very distinct area of nasty looking concrete slab in.