127 Series – Slim Casement Window
Architectural refinement, ultra-narrow sightlines
U-Factor0.274
SHGC0.179
VT0.288
Windows
VITRIUS window systems are engineered for reliable performance, clean appearance, and efficient installation—from slim casements to ultra-high-performance fixed units.
Selection GuideFind your series in 3 steps
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80 Series – Awning Single Window
Secure ventilation, rain or shine
U-Factor0.286
SHGC0.167
VT0.251
80 Series – Casement Window
Versatile ventilation meets climate mastery
U-Factor0.283
SHGC0.163
VT0.248
80 Series – Fixed Window
The pinnacle of energy efficiency
U-Factor0.213
SHGC0.261
VT0.425
Windows
View Details →
127 Series – Slim Casement Window
Architectural refinement, ultra-narrow sightlines
U-Factor0.274
SHGC0.179
VT0.288
Windows
View Details →
80 Series – Awning Single Window
Secure ventilation, rain or shine
U-Factor0.286
SHGC0.167
VT0.251
Windows
View Details →
80 Series – Casement Window
Versatile ventilation meets climate mastery
U-Factor0.283
SHGC0.163
VT0.248
Windows
View Details →
80 Series – Fixed Window
The pinnacle of energy efficiency
U-Factor0.213
SHGC0.261
VT0.425
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Every VITRIUS system can be fabricated to project-specific sizes and glazing packages.
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