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 3 layers of White Polyurethane varnish.
Bottom placed handle with 2 micro opening positions.
Glass construction 4HO-Tg14Ar-33.1T.
External pane 4mm Toughened pane Ornamental and obscure glass, Warm tgi Spacer Width 14mm Filled with Inert Argon Gas, with inside pane being 2 x 3mm glass with a PVB Membrane (Laminated) producing a U-Value of 1.2W/m²K (glass U-Value 1.0W/m²K).