If you feel that despite all precautions the basement floor may get wet put down 2 by 4 inch sleepers cover with plastic and then install the plywood as the subfloor.
Tile over concrete floor.
Laying floor tile over concrete is not a technically demanding job.
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.
Never lay tile over a damaged concrete floor without repairing it or your tiles may crack or lift.
When installing a ceramic tile floor on a concrete subfloor you don t have to worry about flexing as long as the concrete slab is at least 1 1 8 inch thick which most slabs are.
Lay down a sheet of crack isolation membrane before tiling if your concrete floor is severely damaged or aged.
Use gloves when grouting to avoid the.
Installing tile directly on concrete.
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.
Http bit ly 2em0ei8 home improvement online with ron hazelton w.
Larger tiles will require a larger notch.
Concrete expands and contracts and that type of movement can also crack the tiles and the grout.
Wear safety gear when operating a tile saw or the cutting board.
Work with great care otherwise the tiles might move from position.
How to lay porcelain tile over a concrete floor things you will need.
Step 1 preparing the concrete.
Tile on concrete floor clean thoroughly the tile flooring with a semi dry sponge.
A typical 12 inch by 12 inch tile requires a 3 8 inch notched trowel.
Before you begin to lay the tile over your concrete slab make sure the concrete is properly prepared.
Yet this application does make sense since concrete is heavy solid and is typically thought of as an unbending uncompromising material.
It can be physically strenuous and messy but it is a home improvement project that will allow you to cut labor costs by doing it yourself.
Ceramic and porcelain tile are so frequently installed at or above grade level on a cement board underlayment or directly on plywood that it almost seems novel to install tile directly on concrete.
Update your concrete floor by laying tile with these step by step instructions.
However you re not out of the woods.
Using an acid based cleaner or deep cleaner of your choice clean the concrete and allow it to dry thoroughly.
How to prepare for laying tile over a concrete floor things you will need.