| NAME OF SECTION | BASIC 68 | THERMAL 78 | THERMAL PLUS 88 | 
            
                | Frame thickness | 68 mm | 78 mm | 88 mm | 
            
                | Pine, meranti or oak |  |  |  | 
            
                | No of layers of glued wood | 3 | 4 | 4 | 
            
                | Single-glazed units |  | - | - | 
            
                | Double-glazed units | - |  |  | 
            
                | Optionally, soundproof, anti-burglary and anti-UV glass, decorated glass |  |  |  | 
            
                | Thermal insulation of the entire window | Uw = 1,4 W/m2K | Uw = 1,1 W/m2K | Uw = 0,9 W/m2K | 
            
                | Acoustic insulation of the entire window | Rw = 32 dB | Rw = 32 dB | Rw = 32 dB | 
            
                | Siegenia Titan multi-point locking fittings |  |  |  | 
            
                | Aluminium drip on a sash and frame carrying water away |  |  |  | 
            
                | Double soundproofing of a sash as standard |  |  |  | 
            
                | 14 colours with visible tree rings and any RAL colours |  |  |  | 
            
                | RETRO styled section |  |  |  | 
            
                | SOFTLINE rounded section |  |  |  | 
            
                | Patio slide windows, sliding windows |  |  |  | 
            
                | Accessories: glazing bars, vents |  |  |  |