- Report #: NT BUILD 234
- Approved: September 1983
This NORDTEST method specifies a test method to determine the air-tightness and closing force of external doors when the door is exposed to external climate on one side and internal climate on the other. Optionally gap width and warp may also be determined.
2. FIELD OF APPLICATION
This method may be used for all types of doors exposed to outdoor climates.
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