If you want to install the tiles properly you should prepare the floor making sure that the surface is clean without any remains of sealers adhesive or anything else.
Concrete over vinyl tile.
If your concrete slab is prone to moisture consider this vinyl type.
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.
Because it doesn t include any gaps this type of vinyl flooring offers the most moisture resistance.
Vinyl flooring is very durable and fits over most surfaces including concrete.
The steps in this guide on how to install vinyl plank flooring on concrete are quite easy to follow.
Look for products that can be applied over cutback adhesive or vct vinyl composition tile.
Installing self adhesive vinyl tiles over concrete is not always easy especially if you remove carpets from the concrete base.
3 spread a thin layer of concrete over the vinyl and install tile.
The concrete floor must also be free of cracks or the vinyl tile will eventually sag into the gap.
Leveling mixes are designed to make smooth surfaces and are most often used on concrete or wood.
Also it is important to take time and prepare well before you start assembling.
After the concrete base is ready lock the vinyl planks together to.
Concrete often has scratches holes marks and drips that create a very uneven surface that cannot be used to lay tile while wood boards can warp over time creating hills and valleys instead of the straight smooth needed for proper tile insulation.
Tape a large piece of plastic over the concrete floor securing all edges with duct tape.
If you don t have all the tools or you want to be 100 sure you don t waste any material invite a friend over to help you.
Installing tile directly on concrete.
Installing over wood.
Ordinary concrete isn t necessarily the right product for skim coating over a vinyl tile floor but there are various self leveling specialty concrete formulas that can be mixed on demand and applied over the tiles on the floor.
A vinyl sheet may be forgiving if your concrete slab isn t perfectly even.
Although the flooring comes in a variety of forms planks are installable with a minimal amount of tools and measuring.
I ve been told to.
1 remove both layers of vinyl before tile install.
2 install and nail backerboard over the vinyl then install tile.
The hardest part of the job is often cleaning and leveling the concrete base.
Yet this application does make sense since concrete is heavy solid and is typically thought of as an unbending uncompromising material.
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.