Thermally insulated lift-slide system
- wider thermal breaks, deeper sashes and a glazing range up to 61mm resulting in improved thermal parameters Uw < 0,9W/m2K
- large dimension structures with up to 6 sashes available
- very good weathertightness
- thermal variants: SL1800TT, SL1800TT+, SL1800TT HI, SL1800TT SHI
- large sash dimensions up to WxH 3300x3000 or 2300x3500