ENG DAMPA Perforation patterns 2024 - Flipbook - Side 10
Perforation Patterns
Panels
1
Open
Area
Perforation
Size
Material
22,7%
Ø 1,0 mm
Aluminium
20,5%
Ø 1,8 mm
Aluminium
or steel
17,5%
Ø 5,0 mm
Aluminium
2
Ø1
3.46
AL-21
60˚
2.5
5
AL-15
5
Ø1.8
ST-15
45˚
16
* Only available for DAMPA® Robust Panel
10
Ø5
˚
41.2
14
7
8
AL-22*