Velux GGU INTEGRA Instrukcja Użytkownika Strona 57

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4
Special installation conditions
VELUX 57
Roof window installed as skylight
Provide vapour barrier to shaft. Connect
to roof window rebate and existing ceiling
vapour barrier if present.
Insulate the shaft and depending on the
insulating material establish a wind barrier
on the exterior of the shaft.
As the windows are installed out of reach,
white finish polyurethane windows GGU
requiring a minimal amount of mainte-
nance are ideal.
When determining position of the light shaft,
consider supported walking areas, ventila-
tion channels, chimneys and antennas/aeri-
als within the roof space/construction.
Ensure all trimming work is carried out to
structural requirements where necessary.
Roof
pitch
Window size Size/cm
X02
78
X04
98
X06
118
X08
140
X10
160
X12
180
15° 0 0 0 0 0 0
20° 0 0 0 0 0 0
25° 0 0 0 0 2 3
30° 0 0 0 2 3 5
35° 0 0 2 3 5 7
40° 0 0 3 5 7 11
45° 0 2 5 7 11 15
50° 0 3 7 11 15 19
55° 2 5 11 15 19 24
60° 3 7 15 19 24 30
65° 5 9 19 24 30 36
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