Renext®
The intelligent renovation system uses what’s already there and adds new value. The existing roller shutter box is modernised on the inside and reused. Costs are saved on installation, too: the roller shutter system is placed on top of the new window and installed together with it – in the same step and as a single unit. The roller shutter shell is installed in the existing box without having to do any work on the masonry, façade or rendering. The Neopor insulation of the roller shutter system noticeably increases the energy-efficiency of the building.
- renovation of roller shutters and windows in a single step
- clean installation in one process without any breaking work
- existing lintel boxes and wall sleeves are used
- Neopor insulation for great energy-efficiency
- box lid and front cover create an insulating internal cushion of air
- Optional features: 2-in-1 insect screen
- Operation: comfort motor drive, crank mechanism or standard belt winding mechanism
| Old box, in-situ concrete. Renext integration | 195 | 225 |
|---|---|---|
| Heat transfer coefficient, actual value in old condition Usb 2,91 | 1,55 | 1,53 |
| Surface temperature factor, actual value in old condition fRsi 0,60 | 0,73 | 0,74 |
| Thermal transmittance, actual value in old condition ψ ≤ 1,03 | 0,53 | 0,51 |
| Sound reduction index (dB), curtain up/down, actual value in old condition 36 dB | 37/38 | 37/39 |
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