Method for indicating moisture in.
Astm d4263 plastic sheet test.
Method 1 plastic sheet method astm d4263 standard test method for indicating moisture in concrete by the plastic sheet method appendix x2 2 of astm f710 preparing concrete floors to receive resilient flooring method 1 plastic sheet method con t.
A negative test result a dry plastic sheet with no observable moisture underneath does not necessarily confirm that the slab is sufficiently dry.
Observable moisture on the underside of the f4263 sheet depends on the dew point which in turn depends on the surface temperature of the concrete.
Astm d4263 pdf astm d standard test.
Book of standards volume.
This standard is issued under the fixed designation d.
This means no numbers or data just simple observation or eyeballing of the test location and testing materials for signs of excessive moisture.
Afterward the underside of the sheet is examined for signs of moisture.
Concrete by the plastic sheet.
Astm d4263 august 17 1983 standard test method for indicating moisture in concrete by the plastic sheet method this test method is used to indicate the presence of capillary moisture in concrete.
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An unsealed concrete slab will typically exhibit an appreciable moisture gradient drier at the surface and wetter below.
Astm e f aci r astm d standard test.
Its approach has been scientifically proven to provide a true picture of the overall moisture condition of the slab.
Active standard astm d4263 developed by subcommittee.
Astm d the underside of the sheet is examined for signs of moisture.
F4263 more costly moisture related callbacks.
Astm e f aci r astm d standard test method for indicating moisture in concrete by the plastic sheet method.
Astm d4263 the test method involves taping an inch mm square of polyethylene film onto a concrete slab and waiting at least 16 hours.
Some methods of concrete moisture testing use a simple qualitative approach.
