Velux GGU INTEGRA Uživatelský manuál stáhnout pdf (Strana 49)

Special installation conditions

VELUX 49

Good air circulation across the inner pane surface minimises the

risk of condensation. Circulation is achieved by a horizontal top

lining and vertical bottom lining to form a "funnel" leading air

across the pane. If trimmers are necessary, they must be positioned

in such a way that they do not obstruct the angled lining. When

using VELUX linings in roof pitches from 30° to 60°, trimmers must

be positioned outside horizontal (top) and vertical (bottom) level

measured from window frame as shown in illustration above to al-

low for correct installation of lining. In roof pitches shallower than

30° or steeper than 60°, the VELUX lining cannot be installed with

both horizontal top and vertical bottom as this will result in remov-

ing too much of the interior ceiling ﬁnish. Instead, the cardboard

template supplied with the lining is used for determining the right

position of the trimmer.

Trimmers

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Velux GGU INTEGRA Uživatelský manuál Strana 49