Velux GGU INTEGRA Uživatelský manuál stáhnout pdf (Strana 23)

Installation of a roof window

VELUX 23

Exterior

Bend the bottom side ﬂashing section at the sides (c). Especially in

shallow roof pitches this is important as an extra guarantee against

water ingress. The front edge of the ﬂexible part of the bottom

ﬂashing section may be dressed further to ﬁt tightly to the rooﬁng

material (d).

To allow for correct overlap between rooﬁng material and ﬂashing,

it may be necessary to remove a nib from the tile (e).

As you must not ﬁt screws in the ﬂashing, it may in some cases be

necessary to secure tiles with wire and/or adhere to adjoining tile

with appropriate sealant if possible (f).

FLASHINGS FOR FLAT ROOFING MATERIALS

When installing ﬂashings in slated roofs or similar rooﬁng mater-

ials, it is important that the bottom ﬂashing section overlaps the

rooﬁng material with at least the same overlap as applies to the

rooﬁng material in general (a).

To provide the best possible drainage around the window, observe

the distances between rooﬁng material and window stated in the

installation instructions (b).

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Velux GGU INTEGRA Uživatelský manuál Strana 23