ASTM F2170 STANDARD TEST METHOD PDF

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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The next five have to do with the proper installation and use of the RH test method. At this point, if one test fails, they all fail.

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10 Guidelines for ASTM F Compliance

Without it, even a well-dried and functioning foundation can end up with concrete slab moisture problems. And moisture can still be an issue at grade so concrete foundations must be designed to include proper moisture drainage.

Is this acceptable or compromise the test? After the initial reading, readings can be updated at any time desired with two tets in mind: Concrete absorbs water vapor from the air under high ambient humidity; concrete releases more water meyhod when the humidity of the surrounding air is low. With all areas of ASTM-compliant RH testing, precision is key and data integrity must also be the focus for each flooring professional.

F requires three test holes for the first ft 2 and, at least, one additional hole for each additional ft 2. Logically testt, moisture levels at the bottom of a slab will read higher from those at the surface. And installers are finding results are more accurate and more dependable with RH testing. For most RH testing systems, this includes cleaning any debris out of the test hole and inserting the necessary liner in the hole.

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Check job site conditions. While any professional must understand the exact requirements of standard F the most recent versionthe following are 10 guidelines to help ensure that you have met the criteria laid out in ASTM F Does the finish roof product have specifications for testing the concrete deck? June 9, at 1: If not, call their technical team and ask the questions.

In-situ probes deepen concrete moisture measurement. Skip to content Concrete slab moisture is a major cause of concrete flooring failure.

Make sure your calibration is up to date. Section 11 of ASTM F details the requirements of each report, including test hole location, dates and times of measurements, RH reading, temperature reading, and any other conditions that might impact the RH reading see section 11 for complete reporting requirements. I hope this helps. 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.

In celebration of the New Year, we will be closing early at As any professional knows, ASTM standards are established to help guide industry testing and also to help ensure standardized best practices to protect both the installer and the consumer.

UPS mtehod season may cause delays. We recommend placing the serial stanard decal which also helps track certification of each sensor on the corresponding test hole on the mapped report. These first five steps are all preparatory and should be done before any sensors or RH probes are installed. The standard provides precise guidelines for RH testing methods.

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If you forward to 1: The total area of the slab and the number of test holes must be recorded on your report. These requirements for the standard apply regardless of the RH test method being used. Section 9 of the standard requires that both the slab and the ambient air above it must be at service conditions for a minimum of 48 hours before testing.

General contractors must bear in mind two interactive processes when they are looking at construction schedules: The In-Situ Method In-situ probes deepen concrete moisture measurement. 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?

This site uses Akismet to reduce spam. Jason, I appreciate this means to contact you.

ASTM F Explained – ASTM F Information

Some calibration restrictions may apply, so read the standard carefully to be sure your test equipment qualifies for the most recent standard. For flooring mehhod concrete professionals, ASTM F provides the standard for using relative humidity Asym testing when measuring moisture content in concrete slabs.

You consent to our cookies if you continue to use our website. April 3, at Once you find out the methodology they require to meet warranty, I would reach out to someone within RCI in your area to conduct the tests.

10 Guidelines for ASTM F2170 Preparation and Testing

September 2, at 9: Thanks for the reply, Patrick. The depth is calculated to the bottom of the test hole the location of the installed RH sensor or probe. December 27, at 3: