ASTM F2170 - 16b

    Standard Test Method for Determining Relative Humidity in Concrete Floor Slabs Using in situ Probes

    Active Standard ASTM F2170 | Developed by Subcommittee: F06.40

    Book of Standards Volume: 15.04


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    Significance and Use

    5.1 Excessive moisture in floor slabs after floor covering has been installed can cause floor covering system failures such as debonding, peaking and deterioration of finish flooring and coatings and microbial growth.

    5.2 Manufacturers of such systems generally require moisture testing to be performed before installation on concrete. Internal relative humidity testing is one such method.

    5.3 Moisture test results indicate the moisture condition of the slab only at the time of the test and in the specific locations tested.

    1. Scope

    1.1 This test method covers the quantitative determination of percent relative humidity in concrete slabs for field or laboratory tests.

    1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

    Specific warnings are given in Section 7, 10.3.2, and 10.4.4.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    E104 Practice for Maintaining Constant Relative Humidity by Means of Aqueous Solutions

    E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods

    F710 Practice for Preparing Concrete Floors to Receive Resilient Flooring


    ICS Code

    ICS Number Code 91.080.40 (Concrete structures)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/F2170-16B

    Citation Format

    ASTM F2170-16b, Standard Test Method for Determining Relative Humidity in Concrete Floor Slabs Using in situ Probes, ASTM International, West Conshohocken, PA, 2016, www.astm.org

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