Air permeability
Building elements consist of different materials with different properties. The materials and their properties influence the air permeability.
Testing
When testing air permeability, the building element to be evaluated is mounted in a subframe (steel or wood), the building connection joint is sealed and clamped onto the test stand. It is tested for pressure and suction. Depending on the pressure level, the leakage is determined.
Depending on the type of building element, the air permeability is tested as part of a combination test, air permeability, water tightness against driving rain and wind load.
Roller shutter box:
A roller shutter box is mounted on a test mask, which in turn is installed in an auxiliary frame. The connection joints to the subframe and from the box to the test mask are sealed. The test sample is clamped to the test stand on the subframe. It is tested for pressure and suction.
Execution of operating parts or operating parts of roller shutters, swing shutters and sliding shutters:
At least 5 operating parts or feed-throughs are required for a test. The test samples are mounted in a test mask, which in turn is installed in an auxiliary frame. The connection joints to the subframe and from the control panels or feedthroughs to the test mask are sealed. The test sample is clamped to the test stand on the subframe. It is tested for pressure and suction.
If necessary, the test can also be carried out on external, DAkkS-calibrated test stands on site, at the manufacturer’s premises.
Construction elements / standards
The following components can be tested and classified:
| Building component | Test acc. To | Classification acc. to |
| windows – DIN EN 14351-1
external doors – DIN EN 14351-1 internal doors – DIN EN 14351-2 |
DIN EN 1026 | DIN EN 12207 |
| facades – DIN EN 13830 | DIN EN 12153 | DIN EN 12152 |
| gates – DIN EN 13241 | DIN EN 12444 | DIN EN 12424 |
| Roller shutter box
DIN 18073 |
DIN EN 12114 and guideline AB-02/1 | DIN 4108-2
or AB-02/1 |
| Feed-through of operating parts or operating parts of roller shutters, swing shutters and sliding doors–
DIN 18073 |
DIN EN 12114 and guide line AB-02/1 | DIN 18073 |
| Roller shutter box fan | DIN EN 13141-1 | DIN EN 13141-1 |
Your component is not listed? Please ask us!
Classification
Requirements using the example of windows and doors
| class DIN EN 12207 | Reference permeability at 100 Pa [ m³/hm²] | Reference permeability at 100 Pa [m³/hm] | Maximum test pressure [Pa] |
| 0 | Not tested | Not tested | Not tested |
| 1 | 50 | 12,5 | 150 |
| 2 | 27 | 6,75 | 300 |
| 3 | 9 | 2,25 | 600 |
| 4 | 3 | 0,75 |
Minimum requirements in Germany:
| Requirements acc. to | Class / limit value |
| windows
doors DIN 18055 |
Up to 2 full storeys class 2
More than 2 full storeys Class 3 |
| facades | – |
| gates | – |
| Roller shutter box
DIN 18073 or DIN 4108-2 |
Building component connection joints <0.1 m³/(mh(daPa2/3)) Box at 10 Pa ≤ 0.25 m³/(hm) |
