QFORT 4STARS PVC casement window

When you step into your home you desire to experience true true relax: silence, privacy, ideal temperature and that feeling of ‘fresh air’.‎  Stars by QFORT PVC windows guarantee you all this thanks to the careful selection of raw materials and accessories and thanks to innovative production technologies.‎ The PVC 4Stars frames are the most accessorized in the Stars by QFORT range and are the right choice for any type of construction.‎ Technical details: Thermal insulation 5 chambers in the frame 5 chambers in the sash Galvanised steel reinforcement: 1.‎25mm - 3.‎2mm Thermal break profiles Uw* = 1.‎28 W/m²K for double-glazing with Ug = 1.‎1 W/m² Uw* = 0.‎93 W/m²K for double-glazing with 3 panes of glass with Ug = 0.‎6 W/m²K Uw* = 1.‎2 W/m²K for double-glazing with 2 panes of glass with Ug = 1.‎0 W/m²K Mounting depth 70mm PVC profile external wall thickness ≥ 2.‎5 mm *The Uw-value is calculated for a standard single-sash window measuring 1230mm x 1480mm, with a surface area of 1.‎82m² and hot runner.‎ Uw and Ug values may vary depending on the type of insulating glass used.‎ For an exact value, please consult the QFORT offers.‎ Acoustic insulation Insulating glass thickness between 24mm and 40mm