Fakro Pine Centre Pivot Window 55 x 78cm FSC Certified BBA Approved (02/3944) Semi-automatic pressure ventilation V40P to prevent wind gusting topSafe security and safety offering reinforced hinge and keep together with a steel slat to the lower part of the sash to achieve at least class III safety as per EN13049 External aluminium colour reference RAL7022 Natural wood frame. Internal finish 2 layers of clear lacquer Bottom placed handle with 2 micro opening positions Glass construction 4H-Tg15Ar-33.2mm overall thickness of 26mm with an anti-burglary class of laminate 33.2 (class p2a) External tempered glass, warm TGI spacer filled with inert argon gas Internal pane has two 3mm thick sheets of glass with layer of PVB plastic membrane between them On the inner side of the laminated glass there is a low emission coating producing a U-Value of 1.2W/mK (glass U-Value 1.0W/mK) Acoustic rating 35Db (-1.-3) Can be used on roofs with pitches between 15-90 Due to geographical locations we are