An insulation having an air permeance equal to or less than 0.02 L/s-m2Êat 75 Pa pressure differential tested according to ASTM E2178 or E283.
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An insulation having an air permeance equal to or less than 0.02 L/s-m2Êat 75 Pa pressure differential tested according to ASTM E2178 or E283.
« Back to Glossary