Concrete Floor Moisture Testing

Concrete moisture and surface alkalinity testing are essential in the determination of the suitability of a concrete slab to receive a moisture sensitive floor covering sheet vinyl vct tile carpet hardwood laminate or coating.

Concrete floor moisture testing.

Ifti joins fuse alliance. After meeting with the contractor ryan gets to work and provides test results within 24 hours. A definitive test that measures the amount of moisture released from the concrete requires a calcium chloride kit or a relative humidity meter. So here are several vital tips to help you better prepare for your next flooring job.

Three methods for testing concrete moisture levels. But while several standard moisture test methods are available no single test reveals everything that should be considered in deciding when flooring can be installed or a coating applied. Testing concrete slabs for excess moisture has become a common construction requirement particularly where flooring or impermeable membranes are to be installed on top of the slab. And one for every 1 000 sq.

This allows you to determine the moisture level across the entire surface of the floor rather than just one specific area. How moisture gets into concrete. Moisture in concrete should be measured by an anhydrous calcium chloride test kit per the astm f 1869 test method or by using an in situ probe test for relative humidity rh per the astm f 2170. 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.

Three tests must be performed for the first 1 000 sq. Know the job parameters. Moisture testing conducted before the installation of the finished floor over a concrete slab is no different than football in this sense. Some flooring system manufacturers have products that can handle 95 rh or mor 2.

Testing with either method will tell you how precisely how much moisture is present making it possible to choose a surface flooring that is appropriate. It is vitally important to test your concrete slab s moisture before installing flooring over it. 06 07 2018 in facing the challenges that concrete slab moisture poses to flooring contractors the fuse alliance a member owned organization of professional commercial flooring contractors announced today that independent floor testing inspection ifti has joined the network as a preferred supplier. These tests should be performed on all concrete slabs regardless of their age or grade level.

For each test site a packet of very dry calcium hydroxide is poured into a container which is then weighed. Wood flooring is ready to be installed but first ryan must test to make sure that there has been no moisture penetration into the concrete slab.