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Significance and Use
4.1 This non-destructive test method contains procedures and equipment requirements to quantitatively determine the surface penetration of water at a single location on a masonry wall. The test method is not designed to determine the overall water penetration and leakage of a masonry system.
4.2 Excessive water penetration of masonry may degrade masonry wall performance with respect to thermal conductivity, durability, efflorescence, staining, corrosion of embedded metal items, and water leakage.
4.3 This test may be used to measure the rate of surface water penetration for in-situ masonry and field mockups. Common applications of this method have been comparison of water penetration rates of walls before and after repairs, and testing the efficacy of coatings. Alternative procedures are also provided to simulate the effect of local climatology on water penetration of masonry wall surfaces.
4.4 The outer surface of all masonry walls will experience water penetration when subjected to wind-driven rain. The resistance to water penetration is dependent on materials, workmanship, design, and maintenance. Some wall types accommodate large volumes of water penetration, without deleterious effects, through the presence of properly designed and installed drainage systems including flashing and weep holes. Use of this standard without consideration of the overall wall system may lead to incorrect conclusions regarding performance.
4.5 It is the intent of this standard that a sheet of water be developed and maintained on the wall surface during testing. In some cases, due to the surface texture of the masonry, the application of a coating, or other factors, a sheet of water will not consistently form. In those cases, results of this test method will likely be inaccurate.
4.6 This test method is similar to but distinct from the laboratory Test Method . This standard is a field test method designed to test in-situ walls and measures water penetration of masonry at its surface. Test Method is a laboratory test method designed to test laboratory fabricated wall specimens and measures the water that has penetrated into and through the masonry specimen and is collected. Results from this standard and Test Method are not the same.
1.1 This test method covers the field determination of water penetration of a masonry wall surface under specific water flow rate and air pressure conditions. This test is intended for use on any masonry wall surface that can be properly instrumented and tested within the requirements of this standard. This test method is not identical to and the results are not the same as laboratory standard Test Method . Test Method measures through-wall water penetration, whereas this test method only measures surface water penetration.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C1232 Terminology for Masonry
E514/E514M Test Method for Water Penetration and Leakage Through Masonry
ICS Number Code 91.080.30 (Masonry)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM C1601-20, Standard Test Method for Field Determination of Water Penetration of Masonry Wall Surfaces, ASTM International, West Conshohocken, PA, 2020, www.astm.orgBack to Top