Installing Moisture Barrier On Concrete Floor

Below grade walls and floor slabs transmit ground moisture through concrete walls or slabs.

Installing moisture barrier on concrete floor.

We used thermax brand available through lumberyards of polyethylene vapor barrier because it doesn t require an additional fire barrier. 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. The laminate floor padding cost is 0 12 to 0 15 12 to 15 cents per square foot.

Of rigid moisture proof insulation. Wrap vapor barrier up edge of wall 3 4 inches and tape to wall. A vapor barrier against the concrete surface is generally recommended before wood framing or flooring materials are installed. A vapor barrier is not the same as an 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. This is why a vapor barrier under concrete is essential. Unroll 1st piece of vapor barrier along one edge of floor.

For more information about this video or fausfloor products visit www fa. This not only insulates the walls but also keeps rising dampness in the concrete from getting into the crawlspace. Use vapor barrier 2 in 1 when installing laminate flooring on cement subfloors or any subfloors with a risk of moisture coming up. Cover exposed foundation walls with 1 1 2 in.

This video demonstrates how to install a moisture barrier over a concrete subfloor. May be higher check job specifications or building codes. Padding can be used with most floating laminate floor installation. Crawl spaces benefit from a polyethylene moisture barrier placed directly over the exposed earth.

Always read the flooring manufacturers recommendations and instructions before installing the underlayment. This 2 in 1 underlayment will allow your laminate flooring to float while correcting any minor subfloor imperfections and will protect your floors from moisture. 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. Tips for concrete floor vapor barrier installation.

Vapor barriers are a way to keep moisture from getting into the concrete. Using a utility knife cut the length long enough to wrap edges up the wall 3 4 inches. Installing laminate flooring on concrete steps. Vapor barrier 2 in 1 underlayment.

A concrete floor seems like the perfect base for a vinyl floor installation.