By Huu Khanh Nguyen · Updated October 28, 2026 · andersen, unequal-leg-arch, springline-flanker, arch
A fixed window with a flat sill, a short upright leg on one side, a tall one on the other and an arc between the two leg tops, glazed in a curved frame: the springline flanker is the case where the arc stands upright on the short leg. Width, both leg heights and arch radius Frame finish Bead profile Glass and spacer colour
| Name | Default | Unit |
|---|---|---|
| Width | 913 | mm |
| Tall leg height | 1300 | mm |
| Short leg height | 400 | mm |
| Arch radius | 1219 | mm |
| Frame depth | 80 | mm |
| Finish | powderRal9016 | |
| Frame face width | 82 | mm |
| Bead width | 18 | mm |
| Pane thickness | 4 | mm |
| Glass thickness | 24 | mm |
| Glass | glassClear | |
| Spacer | spacerLightGrey | |
| Glass setback | thickness - 64 | mm |