2m Cuplock Stair UnitThe Alto Cup System Scaffold Stair is an all aluminium stair unit designed to be used on system scaffolding with 1. 8m bays typically Cuplok Scaflok Genlok Tradlok. Manufactured using structural grade aluminium for strength and reliability, the Alto Cup System Scaffold Stair is a simple and versatile solution for adding staircases to a Cup system scaffold and like all Alto scaffold stair products, is designed to be durable and fully compliant with BS

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

This part is commonly used in linked and bridge towers for the first bay in towers with 1

This component is used for towers with 1

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

Base plate leg to be used instead of the standard leg and castor on BS 1139-6:2022 HD tower configurations

2m long trap platform used on the Alto Mini Tower

The castor is inserted into the base of an adjustable leg (2240) and the leg is locked into the vertical tube of a frame at the base of a tower

8m double width HD towers

This part is used for bridge decks laterally connecting tower runs in applications such as large deck towers

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

The large stabiliser for single and double width HD towers

Installed between the first and third frames of a double width MD tower to set the overall platform height