MD Single Width 3 Rung FrameInstalled between the first and third frames of a single width MD tower to set the overall platform height. Refer to component schedule in the assembly guide for all towers that use 3 rung frames.

Used in pairs

0m ALTO Universal Stair Unit - alto known as a 15 Tread Universal Stair - has a lift height range of between 2370mm and 3400mm approx

7m platform units as the infill platform on various BS 1139-6:2022 HD tower configurations

The standard 2m ladder frame used on all single width HD towers

The horizontal bracing component used on the Alto Mini Tower

This part is used in linked and bridge towers for the second and subsequent bays in towers with 2

6m MD AGR tower

The standard short plain platform for HD towers

The Alto stabiliser foot set consists of one aluminium tee foot with a bonded rubber base

0m ALTO Universal Stair Unit - alto known as a 9 Tread Universal Stair - has a lift height range of between 1480mm and 2100mm approx

8m bays – typically Cuplok/Scaflok/Genlok/Tradlok

The Alto Allround System Scaffold Stair is an all-aluminium stair unit designed to be used on system scaffolding with 2