Tiling Over Marble Floor

Complete adhesive coverage is critical on large tiles 12 in.

Tiling over marble floor.

President wrightworks llc. Buy a latex modified thin set one brand is flexbond and mix it in small batches to keep it from skinning over. Once installed routine maintenance of a marble tile floor is relatively easy it requires the same kind of sweeping and damp mopping you would do with a ceramic tile floor. This is a mixture of cement fine grain sand and water that will adhere the new tile to the old.

Also consider that doors cabinets and other hardware might need to be reworked or replaced with new ones to compensate for the higher floor. If you want to tile over a marble fireplace you have to address the problem of tile adhesion. You can also install cement backer board. The modified mortar creates a stronger bond between the surfaces.

As for tiling over it. You will have to clean and scarify the marble before you installed the tile over it. Try an area for three to four tiles to start and go from there. If you want a long lasting durable floor then install a porcelain tile over your existing marble floor.

Only spread a small area at first until you have set a few tiles in order to ensure that you do not spread too far ahead of yourself and allow the adhesive time to set up. One strategy is to clean the marble with tsp and water then sand it with coarse sandpaper to etch it. Remove any moldy or loose grout with a rotary tool or carbide scraper. However it may be worth noting that you may need to wait a little longer between laying the tile and grouting to allow the thin set to properly cure.

But i wouldn t consider tiling over a stone as porous as marble. Rinse the surface with clear water and let it dry. Prepare the surface for installation. This is a bonding mortar with either a latex or polymer additive.

When it comes to mortar latex or epoxy options are best for installing tile over tile. Standing water can penetrate the stone and discolor it. Use a thin set product to install ceramic tile over existing tiles. The marble floor has to be structurally stable because your new floor will only be as good as the existing floor.

Tiling over an uneven surface will give you less than stellar results so level out any globs of dried grout with a sander and secure loose tiles with fresh. Using your notched trowel apply an even layer of thinset or mastic to the cultured marble. Or larger and even more important when you re tiling over tile. Then if you use the proper mastic the tiles should stick.

Yes it s possible to go over a stable tile with a good substrate.