Primarily used for parking garages, plaza decks, and shower pans over habitable spaces. Important Exclusion: This standard explicitly states it is not intended for use on building roofing systems
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This is a high-level summary of the steps outlined in the guide, which can be a useful reference for understanding the process.
Many waterproofing manufacturers require documented compliance with ASTM D5957 to validate material and system warranties. Overview of the Test Procedure
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ASTM D5957-98 is the standard guide used to test the water integrity of horizontal waterproofing membranes on slopes less than 1/4 inch per foot (2%). It is commonly applied to plaza decks, green roofs, parking garages, and flat roof assemblies before the installation of overburden, such as soil, pavers, or concrete slabs.
The suffix in "ASTM D5957-98" denotes that this version was finalized or reapproved in 1998. Using outdated standard revisions introduces liabilities:
The water is generally held for a period of 24 to 48 hours while the underside of the structure is monitored for leaks.
Water is introduced into the containment area gradually. The target depth is typically a layer of above the membrane at the highest point of the test zone. 4. The 24-to-48-Hour Retention Period Primarily used for parking garages, plaza decks, and
All membrane seams, flashing terminations, and penetrations must be fully cured.
Identifies flaws, such as improper seams or damaged membranes, while they are still easily accessible.
Prevents the burial of defective membranes under concrete slabs, pavers, or soil, where repairs become exponentially more expensive.
is a copyrighted document owned by ASTM International . Sharing or distributing unauthorized free PDF copies violates copyright law and ASTM’s terms of use. I cannot and will not provide direct links to pirated PDFs. In this blog post, we'll explore the ASTM
Verify the structure can safely hold the weight of the water. 2. Isolating the Test Area
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