W
Roof thickness (W)
23 mm
24 mm
25 mm
26 mm
27 mm
28 mm
29 mm
30 mm
31 mm
32 mm
33 mm
34 mm
35 mm
36 mm
37 mm
38 mm
39 mm
40 mm
41 mm
42 mm
43 mm
44 mm
45 mm
46 mm
47 mm
48 mm
W
h
Spacer length required (h)
–
2 mm
4 mm
6 mm
8 mm
10 mm
12 mm
14 mm
16 mm
18 mm
20 mm
22 mm
24 mm
26 mm
EN
13