A two-section aluminium loft ladder with twin handrails, hung from hinge brackets on the loft floor and fixed to a hinged plywood hatch door, with sprung arms in the loft, that is pulled down to the floor and stows tilted over the loft floor. Floor to loft floor height, Hatch door size, Stowed or unfolded
Category: Loft Ladders › Loft Ladders And Access Doors
By Huu Khanh Nguyen · Updated November 5, 2026 · loft-ladder, attic-ladder, sliding, aluminium, hatch-door
| Name | Default | Unit |
|---|---|---|
| Floor to loft floor height | 2780 | mm |
| Hatch door length | 690 | mm |
| Hatch door width | 510 | mm |
| Unfolded | 1 | |
| Ladder reach | (2427.5 + 235 * Math.min(3, Math.floor((floorHeight - 2310) / 235)) + 45 - 75 * Math.cos(70 / 57.29577951308232)) / Math.sin(70 / 57.29577951308232) | mm |
| Ladder angle | Math.atan2(1030, 1600) * 57.29577951308232 + (180 + (Math.asin((floorHeight + 45) / Math.hypot(reach, 75)) - Math.atan2(75, reach)) * 57.29577951308232 - Math.atan2(1030, 1600) * 57.29577951308232) * unfold |