
The XRD installation base is designed for the type F flat roof window – it allows to raise the window above the roof by 5.9" (15cm). It reduces to a minimum time required to install the window in roofs where it is necessary to raise the window (e.g. green or gravel roofs).

Lengthened frame element, the so-called fin allows connection of the base with water insulation of the roof.

In case of the construction of a higher base it is necessary to cut protruding part of the fin around perimeter and overlap bases one on top of the other.
Installation instructions:
Installation videos:
Product details:
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