By Huu Khanh Nguyen · Updated October 27, 2026 · henderson, renin, johnson, bifold, bi-fold
One or two pairs of hinged panels on a top track that pivot at the jamb and fold back as the opening is cleared.
| Name | Default | Unit |
|---|---|---|
| Width | 1067 | mm |
| Panel thickness | 20 | mm |
| Height | 2044.7 | mm |
| Leaves | 2 | |
| Gap at the jamb | 7 | mm |
| Gap between the panels | 3 | mm |
| Leaf fill | white | |
| Panel width | (sizeX - 2 * jambGap - (leaves - 1) * panelGap) / leaves | mm |
| Fold angle | 0 | ° |
| Opening travel | 0 | mm |