Wooden Sliding Loft Ladder
A two-section wooden loft ladder in a boxed ceiling hatch, whose long lower section slides up into the loft so that no swing space is needed, with a metal handrail on the upper section. Ceiling opening size, Room height, Stowed or unfolded
Details
Category: Loft Ladders › Loft Ladders And Access Doors
By Huu Khanh Nguyen · Updated November 5, 2026
Parameters
| Name | Default | Unit |
|---|---|---|
| Ceiling opening width | 700 | mm |
| Ceiling opening length | 1200 | mm |
| Room height | 2800 | mm |
| Unfolded | 1 | |
| Hatch width | openingWidth - 60 | mm |
| Hatch length | openingLength - 60 | mm |
| Treads on the sliding section | roomHeight > 2800 ? 10 : 9 | |
| Distance of drop | roomHeight > 2800 ? 1400 : 1300 | mm |
| Sliding section length | 250 * slideTreads | mm |
| Ladder reach | Math.sqrt((roomHeight + 36) ** 2 + dropDistance ** 2 - 80 ** 2) | mm |
| Deploy angle | (Math.atan2(roomHeight + 36, dropDistance) + Math.atan2(80, reach)) * unfold |