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ASTM E2707-22
Standard Test Method for Determining Fire Penetration of Exterior Wall Assemblies Using a Direct Flame Impingement Exposure
Přeložit název
NORMA vydána dne 1.4.2022
Informace o normě:
Označení normy: ASTM E2707-22
Datum vydání normy: 1.4.2022
Kód zboží: NS-1056524
Počet stran: 8
Přibližná hmotnost: 24 g (0.05 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Ohnivzdornost stavebních materiálů a prvků
Stěny. Příčky. Fasády
Anotace textu normy ASTM E2707-22 :
Keywords:
exterior wall covering, fire resistance, fire-test-response characteristic, siding, wall assembly,, ICS Number Code 13.220.50 (Fire-resistance of building materials and elements),91.060.10 (Walls. Partitions. Facades)
Doplňující informace
| Significance and Use | ||||||||||||||||||||||||||
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5.1?The test method described herein measures the ability of the exterior wall covering material or system to resist fire penetration from the exterior to the unexposed side of the wall assembly under the specified conditions of exposure. 5.2?Representative joints and other characteristics of an assembly shall be included in a test specimen when these details are representative of the construction of the end-use product(s). 5.3?This test method is applicable to end-use product(s) not having an ideally planar external surface. 5.4?The overall performance of the test specimen is visually documented by full-color photographic records. Video recording of the complete fire test is an acceptable alternative to the photographic record. Infrared photography of the unexposed side of the test wall can be used to identify areas of increasing temperatures or persisting hot spots. 5.5?In this procedure, the specimens are subjected to a specific set of laboratory fire test exposure conditions. If different test conditions are substituted or the anticipated end-use conditions are changed, it is not known whether it is possible by use of this test to predict changes in the performance characteristics measured. Therefore, the results are strictly valid only for the fire test exposure conditions described in this procedure. |
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| 1. Scope | ||||||||||||||||||||||||||
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1.1?This fire-test-response standard prescribes a method to assess the fire performance of a vertically oriented specimen exposed to direct flame impingement in a simulated external fire exposure potentially encountered in a Wildland Urban Interface scenario. This test method provides data suitable for comparing the performance of materials, which are used as the exposed surfaces of exterior walls in construction applications. Note 1:?This test method closely follows the test procedure of
California Office of State Marshal (SFM) Method
12-7A-1.1.2?This
test method measures the ability of the wall system to resist fire
penetration from the exterior into the wall cavity or unexposed
side of the test assembly under the conditions of exposure.
1.3?This test method provides data suitable for comparing the performance of vertically oriented materials, products or assemblies in exterior construction applications. The test specimen shall be tested in thicknesses and configurations representative of actual end product or system uses. 1.4?Limitations of the test method are listed in Section 5.5. 1.5?The system of units to be used in referee decisions is the SI system of units; see IEEE/ASTM SI-10 for further details. The units given in parentheses are for information only. 1.6?This standard is used to measure and describe the response of materials, products, or assemblies to heat and flame under controlled conditions, but does not by itself incorporate all factors required for fire hazard or fire risk assessment of the materials, products, or assemblies under actual fire conditions. 1.7?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. 1.8?Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed in conducting these tests. 1.9?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. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||
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