Any excessive movement will loosen the tile and pop the grout.
Proper subfloors for ceramic tile.
To install ceramic tile over wood the wood surface must be structurally sound enough to support the weight of the tile.
Now largely regarded as the very best underlayment for ceramic tile in any application floors walls and countertops cement based backer board goes by many names.
Heavy objects such as cast iron tubs refrigerators and clothes washers need strong flooring.
Preparing a subfloor is an essential step for installing floor tile it provides a level surface that will allow the tiles to properly stay in place.
It sounds like your joists are well within the acceptable limits of l 300 so your main concern is the deflection of the subfloor between joists.
This guide will show you how to prepare your subfloor for a tile installation project to ensure that it s fit to support ceramic or porcelain tile.
Pourable self leveling products help to flatten and level a wood subfloor or a concrete slab before the tile is installed.
Subfloors to avoid for tile installations are those that tend to flex expand contract or warp.
Installing over wood.
It is generically called cement board or backer board or it can also be referred to by one of the common brand names such as densshield hardiebacker and wonderboard.
For example base flooring layers need to be firm flat and deflection free for ceramic tile or natural stone.
Unsuitable subfloors for tile.
Unsuitable subfloors must be replaced or covered with a suitable underlayment.
Here s a list of no go subfloors.
It ensures that the tiles remain stable and will not crack due to floor movement or changes in floor pressure.
Cement based backer board.
The dry product is mixed with water to a liquid consistency and poured on.
Adding inch plywood to 5 8 ply will give you a.
Concrete subfloors are relatively simple to prepare for tiling while wooden subfloors need a bit more care and effort.
The experts show how to install the subfloor in a bathroom.
Before installing a tile floor a subfloor and underlayment is necessary.
With ceramic tile you also need to limit the deflection between joists which is a function of the subfloor thickness and how it is installed.
Proper preparation of the subfloor is critical to the success of your ceramic tile installation.
In the end you need to have a level stable foundation that your tiles can rest on.