08/4608

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Provided by British Board of Agrément (BBA)

Additional notes: Product sheet 1: VELUX top hung roof windows

GGLS 2in1 Centre-Pivot Timber Roof Window.

GCL Heritage conservation roof window

GBL Low Pitch, Centre-Pivot Roof Window

GPL Top-Hung Roof Window

GDL Roof Balcony

GIL Fixed Sloped Additional Lower Element

VIU Fixed Additional Vertical Element

VFE Bottom-Hung Additional Vertical Element