Overhead Roller Garage Door
By Huu Khanh Nguyen · Updated October 28, 2026 · hoermann, heroal, bnd, rollmatic-od, od-75, flex-a-door, overhead, ceiling-running, roller-door, lateral-drive, centre-drive
A roller garage door whose slat curtain runs up the jambs and round a corner to slide along the ceiling, so there is no roll and no box above the opening. Slat profile Drive at the side or in the centre Guide rail size Finish colour
Parameters
| Name | Default | Unit |
|---|---|---|
| Clear width | 3000 | mm |
| Clear height | 2500 | mm |
| Headroom above the opening | 100 | mm |
| Slat height | 75 | mm |
| Slat thickness | 20 | mm |
| Guide rail width | 95 | mm |
| Drive | lateral | |
| Drive side | left | |
| Finish | white | |
| Opening travel | 0 | mm |
| Overall width | clearWidth + 2 * railWidth | mm |
| Overall depth | wallY - guideEnd + 330 | mm |
| Overall height | clearHeight + headroom | mm |
| Slat tip from rail closed end | 38 | mm |
| Corner radius of the curtain path | 150 | mm |
| Guide rail depth | Math.min(35, Math.max(28, thickness + 14.06)) | mm |
| Wall face | (railDepth - thickness) / 2 | mm |
| Height of the horizontal path | clearHeight + headroom - railDepth / 2 - 34 | mm |
| Height where the corner starts | pathHeight - diverterRadius | mm |
| Rear end of the guides | drivePosition == 'lateral' ? wallY - clearHeight - 900 : -thickness / 2 - diverterRadius - clearHeight - 2 * coverHeight | mm |