Never install new tiles over existing tiles or onto an unprotected wood or plywood floor.
Installing tile on concrete walls.
Yet this application does make sense since concrete is heavy solid and is typically thought of as an unbending uncompromising material.
These substrates must be structurally sound meet deflection requirements and meet on plane requirements.
You may install the tiles on the surface directly without the need for cement boards.
Check the tile for plumb and level then proceed to the next tile.
There is no need to install backer board on a concrete substrate ceramic tile can be applied right over concrete provided the surface is flat smooth and free of significant cracks.
Generally ceramic porcelain or stone tile can be installed in exterior locations over suitable substrates such as masonry concrete mortar beds and in some cases certain types of backer board units.
You may also use floor tiles on a concrete wall if you don t like to use wall tiles.
Clean the wall surface thoroughly removing all loose and granular materials to give a sound surface.
Installation tips the standard thickness of floor grade cement tiles is usually 5 8 16mm up to 3 4 18mm for larger format tiles.
The ceramic tile installation procedure illustrated in the photographs that follow involved the following steps.
Remember to add in the thickness of the thinset mortar you use to lay the tile.
Whenever you re laying tile on a wood subfloor you need to first install cement backerboard to prevent leaks and water damage.
However make sure that the surface is smooth and flat before doing anything.
Unlike wood or drywall sub surfaces cement backerboard will not rot warp or grow mold and mildew when exposed to water.
Installing tile directly on concrete.
Seal the wall surface with a tile mastic compatible.
Spread the adhesive on small surfaces to avoid getting it dried use a level to check the quality of your work rent a wet saw to cut the tiles accurately.
Laying down tiles on a concrete wall is not much different than laying tiles on drywall.
Let the cleaned wall dry.
For highly wet areas such as showers and bathtub surrounds cement board typically is attached directly over the wall studs and the studs may be.
Spread a smooth layer of thinset on the back of the first tile and press it firmly into the notched layer on the wall.