This document defines the method to be used to determine the air permeability of curtain walling, both its fixed and openable parts. It describes how the specimen shall be tested under positive and negative air pressure.
This document applies to any curtain walling product as defined in EN 13830.
PROJECT
naSRPS EN 12153:2025/A1:2026
40.20
DIS ballot initiated: 12 weeks
Sep 3, 2026
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