MaTestLab > ASTM Methods > General Methods and Instrumentation > ASTM E1105 Standard Test Method for Field Determination of Water Penetration of Installed Exterior Windows, Skylights, Doors, and Curtain Walls, by Uniform or Cyclic Static Air Pressure Difference
Last updated 16th March 2026
ASTM E1105 Standard Test Method for Field Determination of Water Penetration of Installed Exterior Windows, Skylights, Doors, and Curtain Walls, by Uniform or Cyclic Static Air Pressure Difference
ASTM E1105 gives a guide for the field test of erected exterior windows, frames, lightning, and a curtain wall to assess their ability against water penetration under uniform or cycling static pressure of the air. Such a test method plays a crucial role in the assessment of the performance of the components of the building envelope under a real-life situation, especially during wind-driven rain. It is applied in construction, after installation, or during forensic activities to determine the occurrence of leakage and subsequent conformity with the manufacturer's or project requirements and failure possibilities in design or manufacture. It is one of the most important techniques to achieve long-term sustainability, energy efficiency, and occupant comfort of buildings since it contributes to the creation of a watertight enclosure.
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ASTM E1105 Introduction
ASTM E1105 provides a reasonably certain method used in the field to simulate wind-driven rain on the exterior characteristics of the building through the simultaneous application of water and atmospheric pressure. Water pressure incurred with fenestration systems and curtain walls may lead to significant structural decimation and poor energy performance and indoor air quality. The test is necessary for the development of commissioning, quality assurance, forensic investigation of leakage, and confirmation of the manufacturer or project specification. It helps in an initiative to ensure a long-term, waterproof and building envelope, especially in terms of exposure to weather and climatic conditions or applications.
ASTM E1105 Get Certified for Uncompromising Quality and Project Success
ASTM E1105 certification assists the owner and constructors of the building to check that installed exterior windows, doors, skylights, and curtain walls can withstand air pressure differences and water penetration. The test compares the actual conditions of installations in the field. Orthodox testing lowers the chances of leaks, secures the interiors of buildings, and aids in long-term structural performance.
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ASTM E1105 Testing
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ASTM E1105 Testing Procedure and Requirements
Water Application
Water is sprayed uniformly on the exterior surface at a calibrated flow rate
Air Pressure Application
Static air pressure (uniform or cyclic) is applied to the interior side via a sealed test chamber
Simulation Purpose
Simulates wind-driven rain and pressure differences encountered in real-world conditions
Observation Criteria
Any visible water penetration to the interior side is recorded as a failure
Scope of ASTM E1105
Identifies the resistance of the installed exterior wall system to water penetration when the system is loaded with uniform or cyclic static air pressure.
It has a standard on field testing of windows, curtain walls, skylights, and exterior doors once installed.
ASTM E1105 assists in confirming that the installation practice meets the design and performance expectations.
Engineers and inspectors use the method to detect leaks in building envelopes.
ASTM E1105 Equipment and Sample Preparation
Specimen Details
Installed windows, skylights, doors, or curtain wall sections
Specimen Preparation
Clean surfaces; install a temporary test chamber on the interior side
Specimen Dimensions
As-built field-installed dimensions, no standard sizing required
Use of ASTM E1105
Confirms the water tightness of the installed facade systems in business and residential buildings.
The test is applied by construction groups to ensure that windows and curtain walls are sealed and installed correctly.
The test will assist in detecting the leakages prior to the conclusion of the project, thus saving on the cost of repair and wasted time on the project.
Quality control specialists use ASTM E1105 when commissioning and performing building envelope inspections.
Common Challenges and Troubleshooting in ASTM E1105
Issues associated with ASTM E1105 testing can include the lack of test chamber sealing or the lack of pressure control. The technicians should verify equipment calibration and a steady stream of water spraying during the test. Rigid installation and skilled staff contribute to the attainment of stable and consistent results.
ASTM E1105 Process, and Data Collection Aggregate Testing Technique
Technicians set a chamber on the outer part of the test zone, put the air pressure under control, and spray water at a given rate. The rear of the assembly is inspected by the inspectors to check whether there is water infiltration. They write down the level of pressure, time of spray, and any observed leakage to be documented.
Analysis Results and Interpretation for ASTM E1105
The engineers interpret the results of tests to find out how water enters the building envelope in given circumstances. An effective outcome implies that there is no uncontrolled water flowing to the interior surfaces. In case leakage is observed, the inspectors find the site and possible installation or sealing problems.
Problem & The Solution to ASTM E1105
Water leakage is frequently caused by improper sealing, improper flashing, or a frame structural gap. ASTM E1105 assists in the location of such weak points in the field testing. Technicians will then be able to use better sealing, modify the details of the installation, or fix the damaged parts.
Factors to Consider Us To Test For ASTM E1105
Speed
ASTM E1105 is performed in professional laboratories and field teams with highly equipped personnel and trained experts.
Expertise
The older inspectors are aware of facade systems and comply with ASTM E1105 to ensure quality and reliable results.
Cost
AMS E1105 is dependent on the size of the building, the places of testing, and equipment installation, yet initial testing will avoid remedying the building in the future at high costs.
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Please contact us for a detailed quote for your astm e1105 testing needs. Cost incurred to carry out different astm e1105 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.
How many samples are required for astm e1105?
The required number of samples or specimens should comply with the procedure given in the astm e1105 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.
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MaTestLab has a vast testing laboratory network, hence we bring you the best testing facilities in a cost-effective way. We offer considerable discounts (15-20%) to our returning customers based on test volume and frequency.
How many days will it take to complete the astm e1105 test?
The turnaround time for astm e1105 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.
Where can I get the astm e1105 tested?
You can share your astm e1105 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm e1105 test to various testing techniques.
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