How To Install Vapour Barrier On Concrete Floor

Install a plastic vapor barrier.

How to install vapour barrier on concrete floor.

Crawl spaces benefit from a polyethylene moisture barrier placed directly over the exposed earth. When rolling out the moisture barrier you want to go from wall to wall and cover the entire floor. A vapor barrier can also increase your home s energy efficiency. While plain plastic sheeting is commonly used to make vapor barriers these traditional poly barriers will allow water and vapor to pass.

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. How to install vapor barrier on concrete floor under laminate flooring. A vapor barrier against the concrete surface is generally recommended before wood framing or flooring materials are installed. May be higher check job specifications or building codes.

Always read the flooring manufacturers recommendations and instructions before installing the underlayment. The barrier comes in rolls about twenty four inches wide. Step 1 picking a vapor barrier. Where plastic sheets must be joined overlap the sheets by several inches and use strong vinyl tape to secure them.

Wrap vapor barrier up edge of wall 3 4 inches and tape to wall. If your concrete passes the moisture test then plastic sheeting at least 6 mils thick will prevent moisture from getting into your laminate flooring. With a little effort you can install this helpful device yourself. What is a vapour control layer how do they work.

For more information about this video or fausfloor products visit www fa. Before rolling out the underlayment be sure to sweep vacuum and remove all debris on the substructure. The presenter is using 6 mil thick poly barrier. Below grade walls and floor slabs transmit ground moisture through concrete walls or slabs.

Tips for concrete floor vapor barrier installation. This video describes the process of installing 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. Unroll 1st piece of vapor barrier along one edge of floor.