ASTM F formally recognizes the use of in situ probes as a means of conducting relative humidity testing. In fact The Standard The In-Situ Method In-situ concrete moisture testing places sensors, or probes, inside the slab itself . This test method covers the quantitative determination of percent relative testing. The ASTM F standard represents a fundamental change in how. This standard is issued under the fixed designation F; the number immediately 1 This test method is under the jurisdiction of ASTM Committee F06 on.

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F requires three test holes for the first ft 2 and, at least, one additional hole for each additional ft 2.

April 7, at 3: Leave a Reply Cancel reply Sgandard email address will not be published. That being said, I have heard a couple of different methods people are using.

ASTM F Explained – ASTM F Information

While any professional must understand the exact requirements of standard F the most recent version syandard, the following are 10 guidelines to help ensure that you have met the criteria laid out in ASTM F General contractors must bear in mind two interactive processes when they are looking at construction schedules: Know the required depth of the test holes.

September 6, at September 2, at 9: First, I have to state that F is specified for interior applications that are under consistent ambient air controls. If you forward to 1: This website uses cookies. Without it, even a well-dried and functioning tdst can end up with concrete slab moisture problems.


October 31, at UPS peak season may cause delays. And installers are finding results are more accurate and more dependable with RH testing.

If i have an area of approx sq ft and have done the required testing for the area, and 5 fail and 3 pass does the whole area fail? June 8, at 1: Contact My Account 0 items In-situ concrete moisture testing places sensors, or probes, inside the slab itself.

April 3, at And moisture can still be an issue at grade so concrete foundations must be designed to include proper moisture drainage.

Reusable sensors should be calibrated by the manufacturer at least once per year, or more often if sgandard to conditions that may impact their accuracy. We also will not be shipping on these days, but will resume shipping on Tuesday, January 2nd. Concrete slab moisture is a major cause of concrete flooring failure.

You consent to our cookies if you continue to use our website. If not, call their technical team and ask the questions. When concrete is mixed and poured, water vapor migrates from the bottom of the slab to the surface to evaporate. Surface-based test results will fluctuate, even more, under these changes in environmental conditions.


In situ moisture measurement systems are evolving rapidly as a result of ATSM F and reflect the industry realities of the concrete installation business.

RH Testing and Reporting Drill and prepare the test holes.

Use our checklist to record and report the RH readings. With all areas of ASTM-compliant RH testing, precision is key and data integrity must also be the focus for each flooring professional.

Can you please let me know your recommendation on this? I would verify that the hole depths are consistent and that environmental conditions are at service conditions. Metho use cookies for shopping cart functionality, to personalize content and ads, to provide social media features and to analyze our traffic.

This will NOT be valid for ASTM compliance, but can certainly provide a target timeline for schedule decisions or for choosing alternate adhesive or flooring options that might have higher moisture tolerances.

10 Guidelines for ASTM F2170 Preparation and Testing

In-situ probes deepen concrete moisture measurement. Skip to methid Concrete slab moisture is a major cause of concrete flooring failure. In this way, in situ measurement provides a composite picture of overall slab moisture levels, and provides the data necessary to make business decisions regarding flooring installations.