MD Double Width 3 Rung Ladder FrameInstalled between the first and third frames of a double 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.

The base frames used on the Alto Stairwell-Pro Tower

The standard short plain platform for MD towers

7m single width HD towers

5m ALTO Universal Stair Unit - alto known as a 2 Tread Universal Stair - has a lift height range of between 430mm and 560mm approx

57m bays with a 1

Larger stabilisers are one of the ways of providing a tower with a higher degree of stability and are used in standard towers above specified heights as set out in the manuals

2m long trap platform used on the Alto Mini Tower

8m HD AGR tower

8m bays with a 1

A cost-effective

8m platform units as the infill platform on various BS 1139-6:2022 HD tower configurations

The large stabiliser for single and double width HD towers