This vapor barrier which is actually a vapor retarder helps to keep moisture vapor from entering into the laminate floor.
Vapour barrier laminate flooring.
Sheets are available in different sizes.
Effectively stops any moisture related problems arising from a damp sub floor technical specifications technical specification of diall 0 15mm foam laminate solid wood flooring vapour barrier membrane 20m.
A single sheet measuring four by four metres is large enough to cover most rooms.
There are a variety of underlayment types including foam and cork underlayment plywood hardboard and cement board.
A vapor barrier under laminate floor required for most laminate flooring installed over concrete.
X 3 mm underlayment w sound barrier and moisture barrier for laminate and engineered flooring.
Need help deciding on underlayment type.
The best approach is to lay a sheet also called a membrane of pe plastic 0 2mm thick beneath laminate flooring.
Concrete substrate must be tested in accordance with the flooring manufacturers instructions.