ASTM 2178 and 2357 Explained
ASTM 2178 and 2357 Explained
ASTM 2178 and 2357 Explained
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<strong>ASTM</strong> E<strong>2357</strong> Test ProcedureTest Sequence: (continued)• The air leakage test shall be repeated afterthe conditioning sequence. The postconditioning permeance values shall beused to establish the system rate;• Maximum deflections of the air barriermaterial <strong>and</strong> the test specimen shall berecorded at the wind pressures equal to1,2 times the gust pressure for bothpositive <strong>and</strong> negative pressures.
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