Even though your concrete floor is in great condition now it won t always look that way.
How to lay tile on membrane with concrete floor.
If you re going to install floor tile you need some kind of underlayment like cementboard tile backerboard or an uncoupling membrane.
Concrete may be rigid enough but it s also prone to moisture and it can expand contract and crack.
Most commonly uncoupling membranes are used when laying tile over concrete.
This will help prevent cracking of tiles.
Purchase an anti fracture membrane to lay over your leveled 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.
Plywood isn t suitable because it s too flexible and it isn t waterproof.
You can purchase it in sheets or in liquid form.
Concrete floors can easily develop cracks when the underlying foundation shifts and almost every foundation will experience at least minor shifts over time.
If you re going to install tiles in wet areas such as bathrooms and balconies you need to apply a waterproofing membrane or paint first.
Tile floors are beautiful durable and a fairly diy friendly option but for tile s good looks to really last it s vital to start with what you can t see the ideal underlayment.
Because it raises the height of the floor by the smallest amount an uncoupling membrane may be preferable to cementboard but there are some conditions for which a membrane is unsuitable.
To fill in any low spots in the slab apply a floor patch or leveling compound before tiling.
Opt to cut sheets of ditra membrane to fit the area you are tiling.
Installing tile directly on concrete.
Never lay tile over a damaged concrete floor without repairing it or your tiles may crack or lift.
Concrete contains a relatively large amount of water and will shrink and expand due to humidity and temperature changes.
The good news is that you can lay tile flooring over many other types of flooring materials carpet excluded as long as you use an appropriate underlayment.
Yet this application does make sense since concrete is heavy solid and is typically thought of as an unbending uncompromising material.
Install an uncoupling membrane between concrete and tile.
Once the leveling compound has set apply thin set adhesive to the slab with a notched trowel and tile.
A number of scenarios call for an uncoupling membrane.