Here you will find a list of the technical specification sheets for the VELUX product range. Click on the links below to download the PDF's. Centre-pivot Top-hung Manual GGL white paint Manual GGU white Electric INTEGRA® Solar INTEGRA® GPL pine finish GPU white polyurethane Sloped additional elements Smoke ventilation White painted GIL White polyurethane GIU Smoke vent roof window system (n/a) Flat roof smoke vent system (CSP) CABRIO® balcony Roof terrace Roof balcony system (GDL) Roof terrace system (GEL) Sloping and vertical Sloping and vertical pine VFE Sloping and vertical white VIU Flat roof window Flat glass rooflight CFP fixed without ventilation CVP INTEGRA® electric CFP/CVP flat glass roflight Sun tunnels Flexible and rigid tunnels Flat roof tunnels (TCF/TCR)