How To Install Vapour Barrier On Concrete Floor

The barrier comes in rolls about twenty four inches wide.

How to install vapour barrier on concrete floor.

While plain plastic sheeting is commonly used to make vapor barriers these traditional poly barriers will allow water and vapor to pass. Wrap vapor barrier up edge of wall 3 4 inches and tape to wall. Always read the flooring manufacturers recommendations and instructions before installing the underlayment. A vapor barrier can also increase your home s energy efficiency.

May be higher check job specifications or building codes. If your concrete passes the moisture test then plastic sheeting at least 6 mils thick will prevent moisture from getting into your laminate flooring. Where plastic sheets must be joined overlap the sheets by several inches and use strong vinyl tape to secure them. 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.

Crawl spaces benefit from a polyethylene moisture barrier placed directly over the exposed earth. How to install vapor barrier on concrete floor under laminate flooring. What is a vapour control layer how do they work. With a little effort you can install this helpful device yourself.

Install a plastic vapor barrier. 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. The presenter is using 6 mil thick poly barrier.

When rolling out the moisture barrier you want to go from wall to wall and cover the entire floor. In this guide we look at how vapour barriers work why you need them and how to install them. Below grade walls and floor slabs transmit ground moisture through concrete walls or slabs. Unroll 1st piece of vapor barrier along one edge of floor.

Step 1 picking a vapor barrier. For more information about this video or fausfloor products visit www fa. A vapor barrier against the concrete surface is generally recommended before wood framing or flooring materials are installed. Before rolling out the underlayment be sure to sweep vacuum and remove all debris on the substructure.