ASTM E1105 PDF

The ASTM E is only a starting point that details how the water penetration test should be set-up as shown above , and it also provides specific performance requirements for the Spray Rack Systems that are to be used during the test. In order for the ASTM E test method to be utilized correctly the test agency in charge must follow the appropriate industry test standards. These test standards provide additional information that is critical in conducting the tests properly, and the ASTM E test method alone does not explain or address that information; for example, there is no guidance on how to determine the appropriate field test pressures and performance criteria that must be used without consulting the test standards and specifications. Why are only AAMA accredited test labs certified to conduct the tests? The Requirement of AAMA accreditation assures the specifier that the laboratory has the staff, training, experience and calibrated equipment to properly perform field testing. In these instances you may have more flexibility with what you can do due to the fact you are not specifically obligated to hire an AAMA Accredited Third Party Test Lab.

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More E The air-pressure differences acting across a building envelope vary greatly. These factors should be considered fully prior to specifying the test pressure difference to be used. In service, the performance will also depend on the rigidity of supporting construction and on the resistance of components to deterioration by various causes, vibration, thermal expansion and contraction, and so forth. It is difficult to simulate the identical complex wetting conditions that can be encountered in service, with large wind-blown water drops, increasing water drop impact pressures with increasing wind velocity, and lateral or upward moving air and water.

Some designs are more sensitive than others to this upward moving water. Field performance may vary from laboratory performance since the supporting structure for the test specimen, methods of mounting, and sealing in the laboratory can only simulate the actual conditions that will exist in the building.

Shipping, handling, installation, acts of subsequent trades, aging, and other environmental conditions all may have an adverse effect upon the performance of the installed product. This field test procedure provides a means for determining the performance of a product once installed in the building. At this time, it is generally easier to check the interior surfaces of the assemblies for water penetration and to identify the points of penetration. The major advantage of testing when assemblies are initially installed is that errors in fabrication or installation can be readily discovered and corrections made before the entire wall with its component assemblies is completed at which time the expense of corrective work may be increased many times.

Generally it is possible to conduct tests on window, skylight, and door assemblies without too much difficulty, and to identify sources of leakage. A curtain-wall assembly, on the other hand, may not be accessible from the inside without the removal of interior finished walls and ceilings. Even with removal of interior walls and ceilings, it may not be possible to observe curtain-wall surfaces behind spandrel beams.

The feasibility of conducting a meaningful static air pressure difference water penetration test on an in-service building must be carefully evaluated before being specified. A calibrated rack of nozzles is then used to spray water at the proper rate on the exterior surface.

Under circumstances where it is desirable to use an exterior-mounted pressure chamber, the spray rack must be located in the pressure chamber and air supplied to maintain a higher pressure on the exterior surface. Exterior chambers are difficult to attach readily and seal to exterior surfaces.

Scope 1. It is intended primarily for determining the resistance to water penetration through such assemblies for compliance with specified performance criteria, but it may also be used to determine the resistance to penetration through the joints between the assemblies and the adjacent construction.

Other procedures may be appropriate to identify sources of leakage. Water that penetrates the assembly, but does not result in a failure as defined herein, may have adverse effects on the performance of contained materials such as sealants and insulating or laminated glass. This test method does not address these issues. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see 7. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

DOI:

13818-3 AUDIO PDF

ASTM E1105

This testing standard describes the procedures to determine the water penetration resistance of windows, curtain walls, skylights, and doors when water is applied using a calibrated spray apparatus while simultaneously applying uniform or cyclic static pressure to opposite sides of the test specimen. Uniform pressure means consistent static pressure is applied during a period of 15 minutes. Cyclic pressure means the static pressure is cycled, five minutes on, one minute off, for three cycles. In no case, shall the total time be less than 15 minutes unless a failure occurs. The ASTM E testing is performed by applying water to the exterior of the test specimen while lowering the pressure inside by means of an air chamber built on the inside or opposite side of the test specimen. The water spray system has nozzles spaced on a grid to deliver water so that the test specimen is wet uniformly, includingthose areas vulnerable to water penetration.

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Download: ASTM E1105.pdf

The ASTM E testing can be applied to any curtain wall area or to windows, skylights, or doors alone. It is intended to determine the resistance to water penetration through specified building assemblies. If water does penetrate the assembly, but does not result in failure it may have ill effects on the performance of the materials, sealant, insulation, or laminated glass. By conducting the testing before interior work is complete, testers have easier access to the surfaces and can identify water penetration. Otherwise, parts of the interior materials will need to be removed in order to conduct the actual water penetration testing. To conduct the actual testing, a valve on the water-spray system is adjusted so that the intake water is being delivered at the calibrated pressure.

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More E Scope 1. It is intended primarily for determining the resistance to water penetration through such assemblies for compliance with specified performance criteria, but it may also be used to determine the resistance to penetration through the joints between the assemblies and the adjacent construction. Other procedures may be appropriate to identify sources of leakage. Water that penetrates the assembly, but does not result in a failure as defined herein, may have adverse effects on the performance of contained materials such as sealants and insulating or laminated glass.

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