Install a plastic vapor barrier.
How to install moisture barrier on concrete floor.
Always read the flooring manufacturers recommendations and instructions before installing the underlayment.
If your concrete passes the moisture test then plastic sheeting at least 6 mils thick will prevent moisture from getting into your laminate flooring.
How to install vapor barrier on concrete floor under laminate flooring.
When rolling out the moisture barrier you want to go from wall to wall and cover the entire floor.
The barrier comes in rolls about twenty four inches wide.
Crawl spaces benefit from a polyethylene moisture barrier placed directly over the exposed earth.
When you put in new hardwood or laminate flooring it is important to first install a moisture barrier which will protect the new floor from water damage caused by condensation or leaks on the.
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Where plastic sheets must be joined overlap the sheets by several inches and use strong vinyl tape to secure them.
This video describes the process of installing a moisture barrier over a concrete subfloor.
A concrete floor seems like the perfect base for a vinyl floor installation.
Tips for concrete floor vapor barrier installation.
May be higher check job specifications or building codes.
Wrap vapor barrier up edge of wall 3 4 inches and tape to wall.
Below grade walls and floor slabs transmit ground moisture through concrete walls or slabs.
Using a utility knife cut the length long enough to wrap edges up the wall 3 4 inches.
This video demonstrates how to install a moisture barrier over a concrete subfloor.
For optimal moisture control you will want to overlap the poly barrier by at least six inches.
A moisture barrier may or may not be needed to insure good adhesion of your vinyl floor so do your homework to avoid problems later on down the road.
A concrete floor with a too high moisture content can wreak havoc on a vinyl floor.
Before rolling out the underlayment be sure to sweep vacuum and remove all debris on the substructure.