The CP 50 is an insulated sliding window and door system that has been designed to respond to new demands for insulation, aesthetics and security. With a Uf-value down to 3.4 W/m2K according to EN 10077-2.
The outer rail has 2 main advantages:
invisible drainage from the outside and discrete water channelling on the inside, which eliminates the need for sub-sills.
Frame and vent are designed in soft line look.