ASTM F1869-03

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Designation: F 1869 – 03
Standard Test Method for
Measuring Moisture Vapor Emission Rate of Concrete
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Subfloor Using Anhydrous Calcium Chloride
This standard is issued under the fixed designation F 1869; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.2 Definitions of Terms Specific to This Standard:
3.2.1 moisture vapor emission rate (MVER)—amount of
1.1 This test method covers the quantitative determination
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water vapor in pounds emitted from a 1000 ft area of concrete
of the rate of moisture vapor emitted from below-grade,
flooring during a 24-h period (multiply by 56.51 to convert to
on-grade, and above-grade (suspended) concrete floors.
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μg/s m ).
1.2 This quantity of moisture shall be expressed as the rate
of moisture vapor emission, measured in pounds of moisture
4. Significance and Use
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over a 1000 ft area during a 24-h period.
4.1 Use this test method to obtain a quantitative value
1.3 The values stated in inch-pound units are to be regarded
indicating the rate of moisture vapor emission from a concrete
as the standard. The values given in parentheses are for
floor and whether or not that floor is acceptable to receive
information only.
resilient floor covering. The moisture vapor emission rate only
1.4 This standard does not purport to address all of the
reflects the condition of the concrete floor at the time of the
safety concerns, if any, associated with its use. It is the
test. All concrete subfloors emit some amount of moisture in
responsibility of the user of this standard to establish appro-
vapor form. Concrete moisture emission is a natural process
priate safety and health practices, and determine the applica-
driven by environmental conditions. All floor coverings are
bility of regulatory limitations prior to use.
susceptible to failure from excessive moisture vapor emissions.
2. Referenced Documents The moisture vapor emitted from a concrete slab is measured
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in pounds. This measurement is the equivalent weight of water
2.1 ASTM Standards:
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evaporating from 1000 ft of concrete surface in a 24–h period.
C 670 Practice for Preparing Precision and Bias Statements
The calcium chloride moisture test has been the industry
for Test Methods for Constsruction Materials
standard for making this determination and is a practical,
F 141 Terminology Relating to Resilient Floor Coverings
well-established and accepted test of dynamic moisture. It will
2.2 Resilient Floor Covering Institute Standard:
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produce quantified results directly applicable to flooring manu-
Recommended Work Practices
facturer’s specifications. The results obtained reflect only the
2.3 Military Standard:
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condition of the concrete floor at that time.
Mil Spec B-131H Type 1, Class III
5. Apparatus
3. Terminology
5.1 Test Unit Contents:
3.1 Definitions: See Terminology F 141 for definitions of
5.1.1 Cylindrical Plastic Dish Containing Anhydrous Cal-
the terms, above-grade (suspended), below-grade, concrete,
cium Chloride, tape sealed against moisture, or heat sealed in
on-grade, and resilient flooring.
a heat sealable bag meeting Mil Spec B-131H Type 1, Class III,
or both, to protect from moisture intrusion.
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This test method is under the jurisdiction of ASTM Committee F06 on Resilient 5.1.1.1 The weight of the container, the anhydrous calcium
Floor Coverings and is the direct responsibility of Subcommittee F06.40 on
chloride and the tape seal shall be 1.06 oz (30 g) 6 10 %.
Practices.
5.1.2 Pressure Sensitive Label, to be used to identify the
Current edition approved Nov. 1, 2003. Published January 2004. Originally
container of calcium chloride and to record the date, time, and
approved in 1998. Last previous approved in 1998 as F 1869–98.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
container weight when the test is started and completed.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
5.1.3 Transparent Cover, with 0.5 in. (12 mm) flanges
Standards volume information, refer to the standard’s Document Summary page on
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around the perimeter, approximately 0.5 ft (460 6 46 cm ), as
the ASTM website.
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Available from Resilient Floor Covering Institute, 966 Hungerford Drive, Suite measured between the inside of the flanges, is required to seal
12-B, Rockville, MD 20850.
the test area of the floor. The plastic cover shall have a depth
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Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700
Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
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