Always read the flooring manufacturers recommendations and instructions before installing the underlayment.
How to install vapour barrier on concrete floor.
Crawl spaces benefit from a polyethylene moisture barrier placed directly over the exposed earth.
The barrier comes in rolls about twenty four inches wide.
A vapour control layer or vcl for short is a plastic layer that restricts the movement of warm moist air from inside a property into the fabric of the building.
Wrap vapor barrier up edge of wall 3 4 inches and tape to wall.
This video demonstrates how to install a moisture barrier over a concrete subfloor.
Using a utility knife cut the length long enough to wrap edges up the wall 3 4 inches.
May be higher check job specifications or building codes.
Install a plastic vapor barrier.
With a little effort you can install this helpful device yourself.
A vapor barrier can also increase your home s energy efficiency.
Below grade walls and floor slabs transmit ground moisture through concrete walls or slabs.
What is a vapour control layer how do they work.
This video describes the process of installing a moisture barrier over a concrete subfloor.
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.
Step 1 picking a vapor barrier.
Tips for concrete floor vapor barrier installation.
If your concrete passes the moisture test then plastic sheeting at least 6 mils thick will prevent moisture from getting into your laminate flooring.
Before rolling out the underlayment be sure to sweep vacuum and remove all debris on the substructure.
Where plastic sheets must be joined overlap the sheets by several inches and use strong vinyl tape to secure them.
The presenter is using 6 mil thick poly barrier.
Unroll 1st piece of vapor barrier along one edge of floor.
For optimal moisture control you will want to overlap the poly barrier by at least six inches.
In this guide we look at how vapour barriers work why you need them and how to install them.