Acceptable Moisture Content In Concrete For Vinyl Flooring

Testing concrete common testing methods for moisture.

Acceptable moisture content in concrete for vinyl flooring.

Acceptable moisture levels in concrete according to astm standard when testing via astm f2170 the rh level of a concrete slab needs to be at or below 75 unless the flooring system manufacturer provides alternate guidelines. Thanks for the questions. What are the acceptable moisture levels in concrete. Ensure by testing that dry flooring is applied to dry substrates.

If the slab does not have an adequate moisture barrier underneath moisture can wick up from ground sources in a continuous cycle. Unfortunately i am unaware of the concrete moisture scale you are referring to when you state 32. Installation should involve thoroughly preparing the concrete subfloor and checking for any water sources that might infiltrate the vinyl. Flooring installers check the moisture level of concrete at the time of installation.

The typically accepted concrete moisture testing methods for installing flooring are the calcium chloride test and the in situ relative humidity test. Moisture prior to installing rubber and or vinyl flooring. If the levels are suitable at that time flooring may be installed. Therefore it s advisable to have a floor tested for moisture content prior to installing flooring or moisture barriers.

Concrete slabs and floors can be excellent subfloor surfaces for tile and other floor coverings but too much moisture in the concrete can cause problems with flooring installations. The point of moisture testing is to establish when the new flooring and substrate is actually ready for installation or the need to reschedule the work until conditions are acceptable in other words.