The VELUX 90x90 flat roof window with solar features and 3 layer glazing is a high-quality skylight designed to bring natural light into your home. The triple-pane glazing provides insulation and UV protection, while the white interior colour adds a clean and modern look to any room. it contains the glass, base unit and roofing felt kit (complete for installing the window) - I paid 1850 for the 3 items
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