84mm depth hinged system with profiles including 6 interior chambers and insulating foams inserted both in frame and sash that allows to achieve the best thermal performance in the market.

A 84 Passivhaus HI version, with Uw transmittance value of only 0.66 W / m²K, has been developed for cool-temperate category (temperate and cold weather), becoming an ideal solution for buildings with low energy consumption in the vast majority of European territory. The glass itself acts as a structural element of the window, fixed to the profile by a special adhesive tape. In this way, it is possible to improve the transmittance while maintaining the rigidity of the assembly intact.

On the other hand, version A 84 Passivhaus 1.0, with transmittance value Uw from 0.74 W / m²K, meets the specifications of the warm-temperate category, indicated in the Spanish geography.