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ASTM E1105 Standard for Water Penetration Testing Services

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ASTM E1105 Standard for Water Penetration Testing Services

Water is both our most vital resource and our most destructive force. Hurricanes aside, what begins as a single raindrop can develop into a growing and moving force in a matter of a few hours that result in millions of dollars lost each year through the penetration of water through doors, exterior windows, curtain walls, and skylights. To protect against this destructive force, a standardized test procedure was created as a critical component to the quality assurance and commissioning process of a building enclosure.

Setting Quality Standards

The ASTM E1105 Standard for Water Penetration was developed as a field testing procedure to:

  • Establish expectations early in the commissioning process and a standard of quality of materials and workmanship throughout.
  • Define allowable water leakage and determine the roles and responsibilities toward resolution if observed.
  • Test performance against criteria such as test pressures.
  • Determine how far those criteria should extend; for example, assemblies, the joints between the assemblies, and the adjacent construction.

How Z6 applies the ASTM E1105 Standard

The ASTM E1105 test method consists of sealing a chamber to the interior or exterior face of the specimen to be tested, supplying air to a chamber mounted on the exterior or exhausting air from a chamber mounted on the interior, at a rate required to maintain the calibrated test pressure difference across the specimen while spraying a calibrated water delivery onto the outdoor face of the specimen at the specified rate and observing any water penetration—per Section 4, ASTM E1105. The ASTM E1105 test procedure is specifically written for field testing. Z6 applies the standard using a calibrated spray apparatus (spray rack) adhering to one of two processes:
  • The first requires a uniform static pressure on the specimen for a period of 15 minutes.
  • The second process cycles the pressure across the specimen as stipulated by the specifier or according to the standard of five minutes on, one minute off, for three cycles.
A successful test will demonstrate the item either meets or does not meet the selected performance criteria for resistance to water penetration. Failure criteria of this test method shall be defined as water penetration beyond a plane parallel to the glazing (the vertical plane) intersecting the innermost projection of the test specimen, not including the interior trim and hardware, under the specified conditions of air pressure difference across the specimen. Note: Water that does not travel beyond the limits of the glazing system is allowable. Types of tests performed:
  • Uniform static air pressure
  • Cyclic static air pressure
The ASTM E1105 test can be applied to the following installed exterior systems:
  • Curtain Walls
  • Doors
  • Windows
  • Skylights





Zero/Six's outstanding professionalism, along with their high level of expertise, has consistently equipped our team with the essential resources needed to ensure the successful completion of our projects.

Laura Lara

Senior Project Manager, The University of Texas

Zero/Six has been successfully providing consulting services for projects with the OFPC South Texas Region for over 8 years, I would not hesitate to recommend and consider them for any future endeavors.

Patrick Lew

Senior Project Manager, The University of Texas

Zero/Six's dedicated staff and ongoing contributions significantly enrich our team, ensuring the delivery of top-quality buildings. We wholeheartedly welcome Zero/Six's involvement in any project.

Mark Kimball

Project Manager, The University of Texas

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What sets Zero/Six’s construction management approach apart?

Our construction management approach is rooted in collaborative partnerships, seasoned expertise, and a future-centric outlook, ensuring each project is not only successfully executed but also stands the test of time.

How does Zero/Six ensure safety during the construction process?

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We prioritize sustainability by incorporating eco-friendly materials, energy-efficient designs, and waste-reducing practices, ensuring our projects are environmentally responsible and future-ready.

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With a proactive mindset, we anticipate potential hurdles and devise strategic solutions to ensure smooth project progression, maintaining quality, timeline, and budget integrity.

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Our seasoned team employs meticulous planning, transparent communication, and real-time budget monitoring to provide accurate cost estimations. Through continuous oversight and client collaboration, we ensure strict adherence to the budget, driving the project to a successful, cost-effective completion.