
4
Special installation conditions
VELUX 51
In this case the red-line-level of the window will lie above the upper
side of the battens resulting in a risk of leakage in the flashing if
this aspect is not taken into account.
Therefore, to even out the connection between the flashing and the
roofing material, it is necessary to "chock up" the battens around
the window.
Installation in lopsided roof
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