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COR 80 Hidden sash TB

Elegant design with straight aesthetic in which the sash is concealed behind the frame, thus maximizing the glazed surface and the entry of light. Added to all of this is the great thermal and acoustic performance prompted by the 45 mm thermal break and a glazing capacity of up to 51 mm that allows the installation of triple glazing.

Overall U-value:
0,8 W/m2K
Acoustic value:
46 dB
Water-tightness class:
Class E1500
Class of air permeability:
Class 4
Resistance to wind load:
Class C5