Velux GGU roof window is made in the performance of "premium". Opens the central axis. opening handle is located at the top. It equipped with energy-efficient double-chamber double-glazed window. Window adhesive are manufactured from white pine lumber with a moisture resistant polymeric coating. Designed for installation in areas with high humidity.
- Heat transfer resistance, R (m2C/W)
- Minimum roof pitch
- 15 град
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