SI- 58 is 3 chamber thermal system. It is suitable for European norms . There is 3 gasket at the system. It is suitable for European norms. Thats why tilt and turn, pivot window, tilt and slide can be done. PVC tilt and turn mechanism is possible to use. Thickness of the profiles are 1.5mm and 2mm

System Performance

Uf: 3.28 W/m2K (Thermal Insulation)
Water Tightness: Class 9A (EN 12208)
Air Permeability: Class 4 (EN12207)
Resistance to Wind Load: C2-C5 (EN12210)

Technical Specifications

Frame : 58mm
Sash : 58,5-61,5-68mm
Thermal Brake Size: 17,8mm
Glass Thickness: 16mm – 41mm