Installing Moisture Barrier On Concrete Floor

Crawl spaces benefit from a polyethylene moisture barrier placed directly over the exposed earth.

Installing moisture barrier on concrete floor.

Below grade walls and floor slabs transmit ground moisture through concrete walls or slabs. We used thermax brand available through lumberyards of polyethylene vapor barrier because it doesn t require an additional fire barrier. For more information about this video or fausfloor products visit www fa. Cover exposed foundation walls with 1 1 2 in.

A concrete floor seems like the perfect base for a vinyl floor installation. Vapor barrier 2 in 1 underlayment. The difficulty of course is that if the moisture barrier is compromised in any way moisture from the slab beneath can still damage the flooring or finish. How to install vapor barrier on concrete floor under laminate flooring.

The laminate floor padding cost is 0 12 to 0 15 12 to 15 cents per square foot. This video demonstrates how to install a moisture barrier over a concrete subfloor. Adding a layer of laminate padding on top of the moisture barrier will make a noticeable difference in how comfortable the floor is to walk on. Using a utility knife cut the length long enough to wrap edges up the wall 3 4 inches.

Of rigid moisture proof insulation. If you have a concrete floor that s in continuous contact with a source of moisture you re going to have problems. For floating floors manufacturers often recommend installing a moisture barrier between the subfloor and the floating floor to prevent moisture intrusion. Tips for concrete floor vapor barrier installation.

This not only insulates the walls but also keeps rising dampness in the concrete from getting into the crawlspace. 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. This is why a vapor barrier under concrete is essential. Padding can be used with most floating laminate floor installation.

A vapor barrier is not the same as an underlayment. May be higher check job specifications or building codes. 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.

Use vapor barrier 2 in 1 when installing laminate flooring on cement subfloors or any subfloors with a risk of moisture coming up. Vapor barriers are a way to keep moisture from getting into the concrete. Installing laminate flooring on concrete steps. Wrap vapor barrier up edge of wall 3 4 inches and tape to wall.

A concrete floor with a too high moisture content can wreak havoc on a vinyl floor.