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Manufacturer's Product Description

The alumium alternating tread stair:

* Utilizes a central stringer with curved treads that weld directly to the handrail
* Ideal for outdoor areas where corrosion and rust are a concern, as well as rooftop applications where weight is a major consideration.
* Shipped as one complete welded unit, ready to bolt into place.

Stair Design Details

Stair Finishes Natural finish only
Landings, Treads and Foot Castings: Aluminum alloy F356F
Guards/Handrails: Aluminum Alloy 6063-T4
Central Stringer: Aluminum Alloy 6063-T52
Angles 68°
Heights Custom height built to exact vertical height
Standard Rails:
24" to 216"

Optional Rails:
55" to 246"

Handrail Options

* Standard Narrow handrail: extends 42” above the top landing of the stair
* Optional Narrow Handrail: designed for roof hatch applications, extends 3-3/4” above the top landing.

The “narrow” design encloses the user for additional upper body support .

Activity with Aluminum Alternating Tread Stair

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