Crystal Design offers the best prerequisites for commercial buildings. Thanks to the proven REHAU quality standards, Crystal Design is an economical window system. Thanks to many forms, colors and a design wing, wide possibilities are offered in the composition of the facade.
Build depth: 70 mm
Number of chambers: 5 chambers
Uf = 1.3 W/m²K (Euro-Design 70 with standard reinforcement sheet)
Thermal insulation: up to Rw,P= 45 dB
Burglar protection: up to resistance class 2 (ENV 1627)
Air permeability: class 4 according to EN 12207
Heavy rain impermeability: up to class 9A in accordance with EN 12208
An economical system for many applications
High Definition Finishing surface (HDF): quality, valuable, smooth, high gloss and therefore very easy to clean
Inclined groove in the frame profile for better water drainage and easy cleaning.
Good static properties due to high structural depth reinforcement plates
Identical backing plates on the frame profile and on the sash for minimal storage
Optional weldable gaskets for smart manufacturing
Environmentally friendly as it is recyclable