
3
VELUX 33
Integration – more windows
Installation with support rafter EBY / EKY
Use support rafters EBY/EKY to obtain a harmonious room side fin-
ish when windows are installed side by side with a frame distance
of 18 mm (EBY) or 100 mm (EKY). When using these support
rafters, trimmers must be installed to support the construction, see
chapter 4.
Support rafters EBY/EKY are available in three dierent lengths:
2000 mm, 2750 mm and 3500 mm.
Follow the installation instructions supplied with the support rafter
when installing the windows. However, adjustment of the window
is described in the installation instructions for the window.
When establishing the roof aperture and positioning trimmers and
support rafter, it is important that the support rafter is positioned
perpendicularly to the installation battens (A).
Observe the maximum dimensions stated when cutting the support
rafter in order to avoid weakening it unnecessarily (B).
If installation set BDX is used, the frame insulation collar must be
assembled and installed before the windows are installed.
EBY Only
The brackets used for connecting the windows are supplied with
the flashing.
Connect underfelt as if connecting around one window. Position the
drainage gutter immediately above the trimmer at the top to which
the support rafter has been fitted. Then proceed according to the
instructions supplied with flashing EB-.
max
775 mm
max
40 mm
A
B
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