The bottom pane of glass will be 100mm smaller all around which would make the bottom pane 800mm x 800mm. For all standard rooflight units, the top pane has a black 100mm boarder and a 100mm overhang all around.
eBay
Our products are UKCA certified and conform to British Standards & Building Regulations, complete with all necessary safety markings. Certified BS & UKCA Skylight | Flat Roof Window | - Regal Glass. Skylight Flat Roof Rooflight 1000 x 1000 mm, 1000 x 2000 mm, 1000 x 2500 mm.
eBay
Sunlux Limited. PVC Centre Pivot Roof Windows. NEW MODEL PVC Centre Pivot Energy Saving Roof Window. The big benefit of this window isNEO VENT AIR INLET. Can be fitted on the roof pitch 15° - 90°.
eBay
ALL SIZES ADVERTISED ARE INTERNAL SIZES OF THE ROOFLIGHT. Do you plan to install skylights in your house?. Enhanced Security: Your skylights are further secured by DOUBLE glazing. The extra layer of glass adds another line of defence to your house by making it harder for burglars to get through.
eBay
Centre Pivot roof window made by impregnated pine wood bonded in layers, finished with two coats of varnish. This window has two handles placed on the bottom of the sash with micro-ventilation. This window can be fitted on the roof pitch 15' - 90'.
eBay
300mmx300mm(internal)-500mmx500mm(external). Triple Glazed Rooflights. Triple Glazed Skylights. Top glass pane: 6mm BS EN 12150 thermally toughened glass. Bottom glass pane: 44.2 low-e BS EN 14449 laminate glass.
eBay
Guardian Glass Lantern. The Guardian Roof Lanternis a versatile and attractive choice to capture natural sunlight and flood a room with radiant energy. Our Roof Lantern transforms the lightingin any room, making it brighter and lighter.
eBay
eBay