How long before laying laminate on a concrete or screed?

Concrete floors or screeds need sufficient time to dry before you can start installing your Quick-Step laminate floor on top. As a rule of the thumb, you should wait one week per cm of screed (thickness) up to 4 cm. Wait twice as long for every additional cm (thickness) up to 6 cm and wait 4 weeks for every additional cm beyond 6 cm.

A moisture meter for concrete is placed on the surface, with hands in white gloves holding it in place.

Moisture migrates from the bottom to the surface. This takes time. For new concrete floors, you should always lay a plastic foil on the concrete floor before installing the Quick-Step Laminate panels. All Quick-Step underlays have built-in plastic foil. Use Quick-Step underlays to avoid problems later on.

Learn more about the installation of your laminate floor

Screed thickness	Advised drying time
<4 cm	1 week per cm
5 cm	6 weeks
6 cm	8 weeks
> 6 cm	+ 4 weeks per additional cm

An example: for a 6 cm thick concrete floor, you should count on at least (4 x 1 week) + (2 x 2 weeks) = 8 weeks of drying time. For concrete floors thicker than 6 cm, respect 4 weeks of drying time per additional cm.

Tip: always make sure the building is sufficiently ventilated.

How long before laying laminate on a concrete or screed?

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