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This document specifies a test method for determining the watertightness under dynamic pressure of curtain walling, as defined in ISO 22497:2021 , including fixed and openable infills as shown in Figure 1 , assembled for normal use and installed as in practice.
This document is applicable to areas subject to driving rain and strong wind, including typhoons, hurricanes, and cyclones.
This document does not apply to the joints between curtain walling perimeter frame and the building construction as shown in Figure 2 .
Key
1 fixed joint
2 openable joint
3 infill joint of an openable element
Figure 1 — Example of fixed and openable infill
Key
1 infill joint of an openable element
2 openable joint
3 fixed joint
4 joint between a curtain walling and its surrounding construction
Figure 2 — Example of joint between a curtain walling and its surrounding construction
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