The difference with painted surfaces is that the paint must be fully cured and well bonded to the.
Tile over painted concrete floor.
The floor is a 4 inch poured concrete slab over an unheated utility room.
The house was built in the late fifties and the slab floor has been painted at least once.
If you want to tile over concrete or wood and there s a thick coat of epoxy on the surface already you can tile right over it but prepare first.
Epoxy is hard which is good for laying tile but it s also slick and glossy which isn t.
All paint will need to be removed before you begin installing the tile.
But there is a solution to the problem.
Installing tile over painted concrete adds a few extra steps to your tiling job.
Cracks and gaps can be filled with portland cement based fillers.
Water should readily absorb in the concrete as an indication that it.
Unfortunately the tile cannot be adhered directly to the painted surface.
You should either strip or bead blast the concrete and thoroughly clean it.
If the paint comes loose so does the tile.
The safest way to approach questionable concrete is not to cover it over with cbus but to fix the concrete.
If you discovered any defects on the floor fill them with a concrete patch or self leveling compound to achieve a flat surface that s ready to receive ceramic tiles.
Paint used on concrete will not bond with the tile adhesive.
The process for installing the tiles is the same whether the tile is set on a floor or a wall.
But this direct installation will result in a floor that s cold underfoot.
Many basement flooring materials like paint epoxy tile and rubber flooring for example can go down directly over the basement s original poured concrete floor as long as the concrete is in good condition.
Answer answer it is possible to bond porcelain tile to a painted surface but it isn t recommended because the overall tile attachment is limited to the strength of the bond of the paint to the concrete.
Sheets of cement backing available from most do it yourself.
Ceramic tiles will not adhere to an enamel painted floor because the surface is too smooth.