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“International moisture test method”

Olivier Guerni, Technical Director at HIM France, manufacturer of epoxy resin floorings, recommends using the Humitest MMS moisture meter and thermo-hygrometer with sleeves before applying floor coatings.


Moisture detection in concrete

"I was trained in an English company that used the method known under the "BS 8203" standard for detecting moisture in concrete. When I returned to France, I looked for the same method, which is the good practice code for applying floor coatings, and I was lucky to find it in Humitest MMS with sleeves", explains Olivier Guerni.
"Our clients always use the calcium carbide method, which involves taking one sample and measuring the water content of concrete. The Humitest moisture tester
allows to measureo free water in materials. This is more interesting as it is free water that is likely to cause problems when it migrates and also blistering, once the coating has been applied.

Monitoring of moisture level overtime

"I believe these two methods are complementary. However, with the carbon carbide method you are never sure about the representativeness of samples; it is basically a 20-gram sample, 5 cm thick. Also, the result is obtained using a chemical reaction. "The Humitest method involves drilling several holes in a surface that can be re-used as required. The instrument also allows you to monitor moisture level over a period of time. It is also very user-friendly, because you can read the figures directly off the display. Measuring moisture in a floor is part of the battery of tests conducted on a support base before applying a coating; it is as important as conducting a mechanical strength test. This test is essential because it enables you to apply a resin without having to cross your fingers!", concludes Olivier Guerni.

Business
HIM manufactures industrial and decorative resin floorings. Their products are sold to floor covering contractors.

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Products

Humitest MMS2

Four-in-one system: two-pin-contact moisture meter, in depth radiofrequency moisture detector, infrared thermometer, fast responding thermo-hygrometer.
Benefits
- intuitive user interface with color screen,
- data logging,
- firmware upgradable,
- psychometric calculations,
- non-contact IR temperature probe with laser pointer.

Indoor air emissions


Health labelling of all the construction and decorating products from 2013

This IAQ labelling involves the manufacturers, the importers and the distributors of the products as well as contractors in France.

Witness

HIM France, Olivier Guerni