Stairwell Walk Through FrameThe base frames used on the Alto Stairwell Tower.

7m single width HD towers

6m single width MD towers

This version is used in towers with 2

A shallow diagonal brace for a 1

8m long HD tower

Refer to component schedule in the assembly guide for all towers that use 3 rung frames

The standard short trap platform for MD towers

The first frame used on a single width HD tower with 5 rung starters

Please click here for the original Alto Stairwell tower feet

A stabiliser used in confined spaces or lift shafts to stub against a wall

Used to create a walkthrough tunnel at the base of a single width linked or bridge tower or allow end access to a single bay tower where side access is impracticable

This is the size of castor that is supplied as standard with Alto MD towers