3m Alto Universal Stair UnitThe Alto Universal Stair is a versatile all aluminium access solution for the tube and fitting scaffolder, allowing a totally compliant staircase to be installed across a range of lift heights to suit any situation. The 3. 0m ALTO Universal Stair Unit alto known as a 15 Tread Universal Stair has a lift height range of between 2370mm and 3400mm approx. Supplied pre assembled, the Alto Universal Stair requires only to be unfolded, attached to the

The ladder used at the base level of the Alto Stairwell Tower

The horizontal bracing component used on the Alto Stairwell Tower

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

This part is used where greater height clearance is required than can be achieved with standard walkthrough base frames

The horizontal guardrail and brace for a single width end cantilever HD tower

A levelling frame on certain Alto Stairwell-Pro Tower configurations

A double braked castor with a 150mm diameter wheel

All-aluminium toeboard used on 1

A frame used to aide assembly when building the Alto Mini Tower

one bolt and one nyloc nut

is designed to be durable and fully compliant with BS EN 12811

Used in combination with standard plain 1