3: Mesh widths for different lightning protection
classes
The mesh method used exclus-
ively the basis the lightning
protection class.TBS
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l Building length
m Mesh width
Grid system flat roof
2. If, our example, the
overall length greater than the recommended size
indicated Table 2.1. loop size must
therefore not exceeded.3, expansion piece must also
be integrated for temperature-controlled length
changes.
Class Mesh width
I m
II m
III m
IV m
Table 2.
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65
Chapter The external lightning protection system
.1.
The building our example has building lightning pro-
tection class III.3 Mesh method
Installing the loops
A number different loop sizes are suitable for the
particular lightning protection class the building
