NS EN 12835 : 1ED 2001

Foreword
1 Scope
2 Normative reference
3 Terms and definitions
4 Principles
5 Apparatus (see figure 1)
6 Test specimen
7 Test method
      7.1 Conditions of testing
      7.2 Airflow rate measurement
8 Expression of results
9 Test report
ANNEX A (normative) Pressure sequence for air permeability
                    test
ANNEX B (normative) Testing of the rig for airtightness

Defines test requirements for the determination of the air permeability of shutters that claim to conform to class 5 of thermal resistance "airtight shutters" in accordance with standards pr EN ISO 10077-1:1999 and prEN 13125:1988, when allocation cannot be given by geometrical criteria.