Benefits of the Skylights Direct Rooflight 800MM x 1200MM ( Internal Size / Visible Glass ). Bottom Pane of glass: 800mm x 1200mm. CE Certified BS EN 12150 6MM Toughened Safety Glass. Constructed with 6MM thickness of Toughened glass, separated by16 MMWarm Edge Spacer Bar Filled With Argon Gas for optimal thermal efficiency.
eBay