Telescopic Loft Ladder
A telescopic aluminium loft ladder whose round tubes slide into each other, with wide flat treads and black collars, hung from a carrier bar in a lined loft hatch with a downward-opening door, so that it collapses into a small bundle in the loft. Nine or ten treads, Three length settings, Hatch size, Collapsed or unfolded
Details
Category: Loft Ladders › Loft Ladders And Access Doors
By Huu Khanh Nguyen · Updated November 5, 2026
Parameters
| Name | Default | Unit |
|---|---|---|
| Treads | 9 | |
| Length setting | 3 | |
| Hatch width | 560 | mm |
| Hatch length | 600 | mm |
| Unfolded | 1 | |
| Floor to loft floor height | (treadCount == 9 ? 2170 : 2430) + (treadCount == 9 ? 440 : 450) * (lengthSetting - 1) / 2 | mm |
| Lean run | (treadCount == 9 ? [1110, 1160, 1230] : [1230, 1290, 1350])[lengthSetting - 1] | mm |
| Tread pitch now | 25 + ((Math.hypot(floorHeight, footprint) - 70) / (treadCount - 1) - 25) * unfold | mm |
| Collar length | Math.min(40, pitchNow) | mm |
| Tread depth | Math.min(60, pitchNow) | mm |