A flexing subfloor results in cracked tiles and grout and a lot of headaches.
Laying ceramic tile over ceramic tile.
It s really not much.
A thinner subfloor will cause the floor to flex due to the weight of the tile.
Chipboard cushioned vinyl flooring particle boards of any type oriented strand board osb interior grade plywood tongue and groove planking and hardwood floors are unsuitable substrates for direct installation of ceramic tile.
Position your tiles according to the layout you choose.
Most tile manufacturers recommend installing a cement backer board instead of any other type of.
Working in small sections spread the thinset over the existing tile using a notched trowel.
To lay tile over tile.
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Removing already laid tiles is an extremely time consuming process.
First of all tiling over old tiles means raising your floor level by at least 15mm depending on the thickness of your new tile.
If the original tile is still in excellent condition then it is possible to install tile over tile but the proper steps must be taken in order to complete the project correctly.
You can add extra thinset under your new tiles if needed to ensure they re level.
Clean the floor to remove any grease or dirt.
Removing existing tile before installing new tile is recommended however sometimes old tile can be very difficult or almost impossible to remove.
Use a jamb saw or handsaw and spacer block to cut door jambs to the proper height.
Installing a new ceramic floor over an existing tile floor is something most diy homeowners can tackle.
To install ceramic tile over wood the wood surface must be structurally sound enough to support the weight of the tile.
However as mentioned earlier there are a couple of things you d want to consider before deciding to lay new tiles over existing tiles.
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 tile adhesive before beginning the project.
How to install new ceramic floor tile on top of old ceramic tile.
Installing over wood.
Tile can be laid over existing tile as long as the floor is in good condition with no loose or broken tile.
The condition of the existing tiles and the structural.