EFCO 2250i-XP XTherm operable and fixed windows offer European benchmark thermal performance - but with clean styling and narrow sightlines attuned to U.S. architectural preferences.

Innovative, composite framing design creates an AAMA AW Class architectural window series with best-in-class R6 fixed and R5 operable performance. No-compromise product selection is made possible by a unique combination of 45% aluminum extrusions and 55% engineered polymers (by volume). 

Incorporates engineered polymers and aluminum extrusions
Determined by the inherent material properties that are best suited
Narrow sightlines and flush, convection-baffled, operable vents; side-stacking jambs
View can be unobstructed
Fixed; in-swing or out-swing casement; hopper or awning vents
Multiple options for different applications
Low U-Factors allow broad expanses of vision glass 
Will meet tomorrow's Model Energy Codes
1" exterior glass offset complements curatinwall and strefront systems
Works well to complete a total facade solution
Heavy butt hinges or concealed, stainless steel, four-bar friction hinges
Carries triple insulating glass with ease