Curtain walling. Air permeability. Performance requirements and classification included-in-kit The evaluation of stability and

The evaluation of stability and buoyancy properties using this part of ISO 12217 will enable the boat to be assigned to a design category (C or D) appropriate to its design and maximum load

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Curtain walling. Air permeability. Performance requirements and classification included-in-kit The evaluation of stability and1 Scope This European Standard specifies requirements and classification of air permeability of both fixed and openable parts of curtain walling, under positive and negative static air pressure. NOTE This European Standard applies to curtain walling as specified in prEN 13830.