ASTM D4263-83(2005)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D4263–83(Reapproved2005)
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 Department of Defense.
1. Scope 4.2 Avoid direct sunlight, direct heat, or damage to the
plastic sheet, as such treatment affects the reliability of the
1.1 This test method is used to indicate the presence of
results.
capillary moisture in concrete.
1.2 The values stated in inch-pound units are to be regarded
5. Procedure
as the standard. The values given in parentheses are for
5.1 Tape a segment of plastic sheet, approximately 18 by 18
information only.
in. (457 by 457 mm), tightly to the concrete surface making
1.3 This standard does not purport to address all of the
sure that all edges are sealed.
safety concerns, if any, associated with its use. It is the
5.2 Allow the plastic sheet to remain in place a minimum of
responsibility of the user of this standard to establish appro-
16 h.
priate safety and health practices and determine the applica-
5.3 After the allowed time has elapsed, remove the plastic
bilityofregulatorylimitationspriortouse. For specific caution
sheet and visually inspect the underside of the sheet and the
statements, see Section 4.
concrete surface of the patch for the presence of moisture.
2. Significance and Use 5.4 Sampling:
2 2
5.4.1 Floors—One test area per 500 ft (46 m ) or portion
2.1 Capillary moisture in the concrete may be detrimental to
thereof, of surface areas unless otherwise specified.
the performance of certain coating systems that cannot tolerate
2 2
5.4.2 Walls and Ceilings—One test area per 500 ft (46 m )
moisture on or within the surface boundary.
or portion thereof, of surface area unless otherwise specified.
2.2 This test method is used prior to the application of
5.4.3 The recommended practice is a minimum of one test
coatings on concrete.
for each 10 ft (3 m) of vertical rise in all elevation starting
3. Materials
within 12 in. (300 mm) of the floor.
3.1 Transparent Polyethylene Sheet, commercial
...