Leverage the unique characteristics of window wall for your next mid-rise or high-rise residential, mixed-use or dormitory project. EFCO's 645X Window Wall System is an easy-to-install solution for silicone-glazed, modern aesthetics.  

5-1/2" frame depth

18mm polyamide thermal barrier

2-1/4" structural silicone-glazed mullions and intermediate horizontal framing members

Easy-to-install captured head and sill "can" receptors

Flush SSG sill and jamb receptors are available
No exterior unit wet sealing required

Zero sightline multi-lock vent inserts and integrated terrace doors

Exterior sun shades and interior light shelves available