Surespan manufactured a FGL non-opening Glass Rooflights for a residential house in London to fit structural opening 1465 x 4200 which was divided into four panes.
The 28.4mm sealed glazed unit will comprise Pilkington Insulight™ Therm comprising 6mm Optifloat™ Clear ‘T’ (toughened), 16mm Argon filled cavity, 6.4mm Pilkington Optilam™ ‘K’ Glass Laminated. This sealed glazed unit has a U-Value of 1.5 W/m²K.
This hatch was a new design with thermally broken extruded sections.
