Alternating Tread Stair Design
The steeper the angle the larger the rise.
Alternating tread stair design. But with an alternating tread stair the difference in height between the right and left treads is the unit rise using the guidelines of commercially built alternating tread stairs i try to get the unit rise between 6 1 2 in. The same as the half width step on its left and half as much as the full width stair on its right. The image on the right illustrates the space efficiency gained by an alternating tread stair. Get a quote for custom stair heights.
Industrial stairway with platform footprint. Alternating tread ladder with platform. 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 custom built to your exact height specifications.
This is a great option for people who dont have too much space in their offices or house for a regular long stair. 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. I ve done alternating tread stairs before also called ship ladders. Lapeyre originally coined the name lapeyre stair when he filed the patent on his alternating tread stair design and it was later adopted as the business name when the company was founded.
The alternating tread stair design. Pricing and specifications for carbon steel alternating tread stairs with a powder coat finish. 56 stairs are available in heights from 36 to 240 and have a riser height of 6 416. You can save at least the half of the space without the problems of having smaller steps.
Welded steel construction with bolt on handrails. The alternating stair requires one unit of space per step. Baked in powder coat finish for added toughness. Why are we called lapeyre stair.
See below for pricing in six inch increments. Lapeyre is pronounced lah pair. Alternating tread ladder crossover 2 alternating tread ladders connected by a platform industrial stairway calculate space requirements at various heights and angles. The alternating tread stair appears in the image s center with green colored treads.
Alternating tread step design offers a shorter span than traditional steps. The unused half tread becomes an obstacle by reducing the usable depth of the tread below. Industrial stairway crossover footprint 2 industrial stairs connected by a platform.