As with a wooden subfloor a concrete subfloor must be level for successful tile installation.
Concrete floor prep for vinyl tile.
After vacuuming use a dust mop to remove any remaining dust.
To prepare your concrete subfloor make sure that it can accept water penetration.
Leave the vinyl in place for 72 hours.
Then prime the concrete see photo 2 with the recommended solution consult the membrane manufacturer s literature.
Cut the membrane so it s 1 1 2 times the width of your tiles.
Please note new concrete floors must be left to cure for at least 60 days before you can install vinyl planks over them.
Before applying the vinyl tile make sure the concrete floor is completely dry.
Test by sprinkling water on various areas of the subfloor.
Check your wood flooring manufacturer s recommendations and sand any high spots with a concrete grinder.
Level the floor and repair any damage.
Use concrete filler or a similar floor patching compound to repair the damage.
Tape a 3 foot square piece of scrap vinyl to the concrete with duct tape sealing the edges tight.
If the subfloors have large cracks then the best course of action is to remove the large part of the slab and replace it with a new one.
Also vacuum and sweep the floor to remove any loose dirt and dust.
This option works best when the concrete floor is in good condition so take care to follow all of the steps below to repair cracks fill depressions and make sure the floor is level.
Vinyl plank flooring is water resistant and if it has a wpc core it s waterproof so it won t be damaged by the off gassing.
Concrete subfloor test the floor for moisture.
Use a long level and tape measure to check that the floor is level.
In many cases you can lay tile directly on the concrete surface which is naturally hard and durable.
Fill cracks and depressions in concrete floors with a trowel and the type of gap filler recommended by the vinyl tile manufacturer.
Additionally a steps must be taken to ensure that a concrete floor will create a solid bond.
Skip this step and we guarantee your new tile will crack right over the cracks in the concrete.
Preparing a concrete subfloor for vinyl newly poured concrete off gases water vapor and typically needs from 120 to 150 days to dry out before it s ready to accept flooring according to milliken company.
So technically if you are installing vinyl plank flooring onto concrete you already have a subfloor.
3 spread a thin layer of leveling compound over the seams over.
This additional layer can improve insulation and should make your vinyl plank flooring warmer and less resonant.
Typically the floor must be level and uniform within 3 16 inch every 10 feet.