Code compliant prefabricated metal stair systems for every industry and application.
Stairs with alternating treads.
Features handrail on each side of unit dual safety chain at the top of the stair and formed steel steps with raised surfaces for better traction.
This is a great option for people who dont have too much space in their offices or house for a regular long stair.
Alternating tread stairs are preferred in many industrial and commercial applications by achieving vertical access with a shorter horizontal span than traditional stairs and greater functionality than traditional ladders.
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I ve done alternating tread stairs before also called ship ladders.
Stair slope of either 56 or 68 degrees requires a smaller overall footprint than a standard stair.
Create and download cad models of alternating tread stairs platforms and crossovers with alternating tread stairs.
Shoes must be worn when using alternating tread stairs.
The unused half tread is removed to provide more tread depth for improved safety and comfort.
Duvinage custom designs and fabricates alternating tread stairs to the highest industry standards.
It is the responsibility of the customer to ensure code compliance.
Check your local code requirements for residential compliance.
The alternating tread stair appears in the image s center with green colored treads.
The alternating stair requires one unit of space per step.
Baked in powder coat finish for added toughness.
Its a little bit dificult to make the ma.
Alternating tread stairs.
Alternating tread step design offers a shorter span than traditional steps.
The same as the half width step on its left and half as much as the full width stair on its right.
Designed to be used as a stair with users facing the direction of travel when climbing up and down.
Welded steel construction with bolt on handrails.
You can save at least the half of the space without the problems of having smaller steps.
The steeper the angle the larger the rise.
The idea behind them is your foot only uses half of the stair so you can cut the other half out to allow more step up room between treads that would otherwise overlap the space savings of a ladder but will full treads and a reasonable rise.
Alternating tread stairs are manufactured to comply with applicable industrial and or commercial codes.