ASTM D4263-83(2018)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D4263 − 83 (Reapproved 2018)
Standard Test Method for
Indicating Moisture in Concrete by the Plastic Sheet
Method
This standard is issued under the fixed designation D4263; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope 4. Cautions
1.1 This test method is used to indicate the presence of
4.1 This test method shall be conducted when the surface
capillary moisture in concrete.
temperature and ambient conditions are within the established
parameters for application of the coating system.
1.2 The values stated in inch-pound units are to be regarded
as standard. The values given in parentheses are mathematical
4.2 Avoid direct sunlight, direct heat, or damage to the
conversions to SI units that are provided for information only
plastic sheet, as such treatment affects the reliability of the
and are not considered standard.
results.
1.3 This standard does not purport to address all of the
5. Procedure
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
5.1 Tape a segment of plastic sheet, approximately 18 by 18
priate safety, health, and environmental practices and deter-
in. (457 by 457 mm), tightly to the concrete surface making
mine the applicability of regulatory limitations prior to use.
sure that all edges are sealed.
For specific caution statements, see Section 4.
5.2 Allow the plastic sheet to remain in place a minimum of
1.4 This international standard was developed in accor-
16 h.
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
5.3 After the allowed time has elapsed, remove the plastic
Development of International Standards, Guides and Recom-
sheet and visually inspect the underside of the sheet and the
mendations issued by the World Trade Organization Technical
concrete surface of the patch for the presence of moisture.
Barriers to Trade (TBT) Committee.
5.4 Sampling:
2 2
5.4.1 Floors—One test area per 500 ft (46 m ) or portion
2. Significance and Use
thereof, of surface areas unless otherwise specified.
2.1 Capillary moisture in the concrete may be detrimental to
2 2
5.4.2 Walls and Ceilings—One test area per 500 ft (46 m )
the performance of certain coating systems that cannot tolerate
or portion
...