ENG DAMPA Perforation patterns 2024 - Flipbook - Side 4
Perforation Patterns
Tiles
1.25
Open
Area
Perforation
Size
Material
AL-35
17,6%
Ø 1,1 mm
Aluminium
ST-705
25,8%
Ø 1,6 mm
Steel
ST-707
12,6%
Ø 1,6 mm
Steel
25,1%
Ø 1,6 mm
Aluminium
or steel
6,3%
Ø 1,6 mm
Steel
10,2%
Ø 1,8 mm
Aluminium
or steel
2.5
60˚
4.33
Ø1.1
3
60˚
5.2
Ø1.6
4
4
Ø1.6
4
AL-709
4
Ø1.6
45˚
ST-709
8
Ø1.6
ST-1606
8
45˚
5
5
AL-14
Ø1.8
ST-14
4