What if the subfloor is moist, or the concrete isn't dry enough?
Make sure that the root cause of the moist subfloor is solved first. Then, apply a liquid, damp-proof membrane (liquid DPM). If you want to glue down your vinyl floor, you will need to use a levelling compound, as a porous substrate is required for the glue.
Please note: the information given on this page solely applies to Quick-Step flexible vinyl floors. For details about the installation of Alpha Vinyl, please check the vinyl installation instructions.
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How to prepare the subfloor for your vinyl floor
Before you start laying your vinyl floor
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