Window Vinyl Replacement Window
Alside Sovereign
Alside's top-tier fusion-welded vinyl replacement window with carbonized foam mainframe insulation, Super Spacer warm-edge foam spacer, coved contoured glazing beads, and Phifer BetterVue screens. Available in multiple styles including double-hung, slider, casement, bay/bow, and sliding patio door. ENERGY STAR certified glass packages available.
Material
vinyl
Frame Construction
fusion-welded
Mainframe Insulation
carbonized foam
Spacer
Super Spacer warm-edge structural foam (non-metal)
Glazing Bead
dual-durometer exterior (coved contoured)
Screen
Phifer BetterVue (enhanced light transmission)
Model Comparison
3 models
| Specification | Double Hung | Slider | Bay/Bow |
|---|---|---|---|
| Model | Sovereign Double Hung | Sovereign Slider | Sovereign Bay/Bow |
Shared Specifications
All models| material | vinyl |
| frame_construction | fusion-welded |
| mainframe_insulation | carbonized foam |
| spacer | Super Spacer warm-edge structural foam (non-metal) |
| glazing_bead | dual-durometer exterior (coved contoured) |
| screen | Phifer BetterVue (enhanced light transmission) |
| tilt_in_sashes | Yes |
| low_e_glass | Yes |
| energy_star_available | Yes |
| warranty | lifetime limited |
| distribution | Alside Supply Centers (contractor/wholesale only) |