By Huu Khanh Nguyen · Updated October 28, 2026 · sectional, overhead, garage-door, low-headroom, hinged-sections, tracks, torsion, rear-torsion, hormann, novoferm, garador, clopay, wicket
An overhead garage door of hinged horizontal sections for a low lintel, whose top section runs on a second track so the door folds flat close to the opening. Section construction and colour Spring shaft at the front or at the rear Plain or sloped bottom section Wicket door in the leaf Windows, handle and lock Operator on a rail or on the shaft
| Name | Default | Unit |
|---|---|---|
| Door Width | 2500 | mm |
| Door Height | 2125 | mm |
| Section Thickness | 42 | mm |
| Track Width | 51 | mm |
| Shaft Position | front | |
| Headroom Above the Opening | 203 | mm |
| Backroom Beyond the Door Height | 750 | mm |
| Finish | white | |
| Handle and Lock | false | |
| Wicket Door | false | |
| Hand | left | |
| Lift Travel | 0 | mm |
| Wicket Opening | 0 | ° |
| Section Count | height <= 2250 ? 4 : height <= 2750 ? 5 : 6 | |
| Section Height | height / sectionCount | mm |
| Hinges per Joint | 2 + Math.max(0, Math.ceil(width / 1400) - 1) | |
| Wicket Width | 830 + 2 * 55 | mm |
| Wicket Start | width <= 3500 ? (width - wicketWidth) / 2 : hand == 'left' ? 500 : width - 500 - wicketWidth | mm |