ASTM D4263 PDF

ASTM D , Standard Test. Method for Indicating Moisture in. Concrete by the Plastic Sheet. Method. General Guidance. ASTM E , F ACI R ASTM D Standard Test Method for Indicating Moisture in Concrete by the Plastic Sheet Method. This standard is issued under the fixed designation D ; the 1 This test method is under the jurisdiction of ASTM Committee D33 on.

Author: Gashakar Nezil
Country: Costa Rica
Language: English (Spanish)
Genre: Music
Published (Last): 25 August 2011
Pages: 73
PDF File Size: 3.76 Mb
ePub File Size: 3.63 Mb
ISBN: 878-3-20874-831-7
Downloads: 78539
Price: Free* [*Free Regsitration Required]
Uploader: Mum

Yes, it matters a great deal.

You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. Please first log in with a verified email before subscribing to alerts. The ASTM D Concrete Moisture Test A concrete floor slab with excess moisture pretty much guarantees a flooring failure due to serious problems such as discoloration, bubbles, curling, adhesive deterioration, cupping, buckling, warping, mildew or mold.

We have no amendments or corrections for this standard. No serious flooring failures due asfm hidden, excessive moisture in the slab.

Some methods of concrete moisture testing d423 a simple, qualitative approach. This standard is not included in any packages. The test method involves taping an inch mm square of polyethylene film onto a concrete slab and waiting at least 16 hours. This standard is also available to be included in Standards Awtm. An unsealed concrete slab will typically exhibit an appreciable moisture gradient, drier at the surface and wetter below.

So unless you take the moisture gradient into account and measure moisture deeper within the slab, expect to be misled by your test results.

  HAMBURGER WASSERGESETZ PDF

What happens next is that the astm c4263 gradient will tend astm d disappear, bringing some moisture that was deeper down, up toward the surface.

And more importantly, expect flooring failures. Observable moisture on the underside of the plastic sheet depends on astm d dew point, which in turn depends on the surface temperature of the concrete. A negative test result a dry plastic sheet with no observable moisture underneath does not necessarily confirm that the slab is sufficiently d263.

It can no longer evaporate through the surface.

ASTM D DOWNLOAD

RH testing is a no brainer because it not only makes scientific sense, it makes economic sense too. Add to Alert PDF. Concrete by the Plastic Sheet. Method for Indicating Moisture in.

The ASTM D Concrete Moisture Test

For a relatively minor investment in testing equipment, contractors and flooring installers can save considerable time and money. An unsealed concrete slab will typically exhibit an appreciable moisture gradient, drier at the surface and wetter below. Zstm specific caution statements, see Section 4. However, it is NOT recommended. Nor does it indicate whether additional moisture is entering the slab from below, such as in the absence of a vapor retarder.

ASTM D4263

No serious flooring failures due to hidden, excessive moisture in the slab. A concrete floor slab with excess moisture pretty much guarantees a flooring failure due to serious problems such as discoloration, bubbles, curling, adhesive deterioration, cupping, buckling, warping, mildew or mold. Yes, asgm matters a great deal. For more information about RH testing, click here. It sounds simple enough, right? Astm d, the underside of the sheet is examined astmm signs of moisture.

  ISO 11001-2 PDF

However, the reverse is not true. Its approach has been scientifically proven to provide a true picture of the overall moisture condition of the slab.

Another plus is that the test provides hard numbers expressed as percent RH that make it very easy for deciding when the slab is dry enough for installing the finished floor. As the voice of the U. You may delete a document from your Alert Profile at any time. A concrete floor slab with excess moisture pretty much guarantees a flooring failure due to serious problems such as discoloration, bubbles, curling, adhesive deterioration, cupping, buckling, warping, mildew ast mold.

Its approach has been astn proven to provide a true picture of the overall moisture condition of the slab.

Proceed to Checkout Continue Shopping. Instead, always rely on in situ RH moisture testing. What happens next is that the moisture gradient will tend to disappear, bringing some moisture that was deeper down, up toward the surface. Asm, this creates an appreciably wetter condition at the surface than either the Plastic Sheet Test or any other surface test will be likely to show.

Some methods of concrete moisture testing use a simple, qualitative approach. A positive result with observable moisture underneath the plastic sheet confirms that the concrete slab is too wet for a flooring installation. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.