Underlayment For Concrete Slab

6 mil vapor barrier underlayment over concrete floors.

Underlayment for concrete slab.

Reviewers frequently state how simple it was to install this floor underlayment and how incredibly cushioned the floor feels. The thermal properties are all considered by the material the underlayment is made up of. Since concrete is porous water vapors transmits from the ground through the concrete slab into your basement. Using the right underlayment and installing it correctly can make or break a flooring installation project.

Concrete subfloor isn t usually warm and can make your feet nice and cold. Underlayment is a broad topic. Once the water vapors gather underneath your flooring it will start to pool up and soak into your hardwood flooring. Foam underlayment has r value of 0 2 0 35.

Once this happens the flooring can buckle or warp. In my case it is a dry basement new construction vapor barrier and insulation below slab but i m overly cautious don t want call backs and needed a nailing surface for the hardwood anyway. Fiber felt underlayment has r value of 0 5 0 6. Unlike other underlayment products you can use it with confidence over concrete surfaces without needing to first perform a calcium chloride test of the slab.

Thermal properties of underlayment can help keep your floor warm. Underlayment for concrete slab thoughts on my system. Their main purpose is as a thin topping to level smooth or fix imperfections in concrete substrates prior to installation of other floor coverings such as tile carpet or vinyl.