L-Shaped Industrial Stairs
L-shaped industrial stairs introduce a 90-degree turn with an intermediate landing, letting the flight change direction to fit around walls, columns, equipment, or a corner platform approach. When a straight run would collide with an obstruction or point personnel in the wrong direction at the top, the L-shape routes the climb cleanly through the available space. Modular Solutions engineers each L-shaped stair from aluminum stair profile with a 40mm round handrail system, setting the two flight lengths, landing size, and turn direction to your layout while holding OSHA 1910.25 stairway geometry. The corner landing provides a code-referenced rest point and orients personnel toward the correct platform entry. Continuous handrails and guardrails protect both flights and the landing, and serrated or grated treads keep footing secure. Because the structure bolts together rather than welding, the stair can be reconfigured or relocated when the layout changes. For facilities where the approach has to turn — against a wall, around a machine, or into a corner mezzanine — L-shaped stairs deliver a compliant, adaptable route that works with the building instead of against it.
What Are L-Shaped Industrial Stairs?
An L-shaped industrial stair uses two flights joined by a 90-degree intermediate landing, so the stair turns a corner as it climbs. It is the right choice when a straight run will not fit — routing the flight around walls, columns, and equipment or orienting personnel toward a corner platform entry.
Modular Solutions engineers each L-shaped stair from aluminum stair profile with a 40mm round handrail system, sizing both flights, the corner landing, and the turn direction to your layout and OSHA 1910.25 criteria. The bolted assembly installs to fit the space and reconfigures as your facility changes.
Key Features
Engineered around your elevation, floor space, and facility — not a catalog template.
90-Degree Turn
A corner landing changes direction so the stair fits around walls, columns, and equipment or approaches a corner platform.
Code-Referenced Landing
The intermediate landing provides a rest point and reorients travel — sized to align with OSHA 1910.25.
Layout Flexibility
Flight lengths and turn direction are configured to route the climb through your available space.
Continuous Guarding
40mm round handrails and 42-inch guardrails wrap both flights and the landing per OSHA 1910.29.
Slip-Resistant Treads
Serrated aluminum, grating, or perforated treads for secure footing in industrial conditions.
Bolted & Relocatable
The aluminum structure reconfigures and relocates with hand tools as layouts change — no welding.
Common Applications
Configured for the specific access demands of your facility and environment.
- Corner & Wall Approaches - Stairs that turn against a wall or into a corner to reach a platform or mezzanine.
- Obstructed Layouts - Routing the climb around columns, equipment, and fixed obstructions.
- Mezzanine Corner Access - Orienting personnel toward a corner mezzanine entry at the top landing.
- Equipment & Machine Decks - Turning access to elevated decks where a straight run will not fit.
- Building & Facility Access - Interior stairs that fit the architecture of mechanical rooms and corridors.
- Process Access - Cornered climbing routes to elevated tanks and process equipment.
Benefits
What a purpose-engineered stair system delivers on the plant floor.
- Fits cornered and obstructed layouts where a straight run will not.
- Reorients travel at the landing to face the correct platform entry.
- Comfortable climb with a mid-landing rest point.
- Full compliance with OSHA stairway and guardrail criteria.
- Reconfigures with your plant because the bolted frame adapts.
- Corrosion-free aluminum with a clean professional appearance.
Industries Served
Trusted for elevated access across demanding industrial and commercial environments.
Customization Options
Every stair is engineered to your elevation, floor space, and access requirements.
- Flight lengths and 90-degree turn direction configured to your layout.
- Corner landing dimensions sized to the space and OSHA criteria.
- Tread materials: serrated aluminum, bar grating, or perforated plank.
- Handrail configuration on both flights and the landing.
- Self-closing gates at the top platform entry.
- Floor-anchored or freestanding base per floor condition.
Why Choose Modular Aluminum Stair Construction
Modular aluminum stair systems bolt together without welding and reconfigure without cutting — giving you a purpose-engineered stair today that adapts through every platform change, layout revision, and facility expansion without scrapping steel. Built from aluminum stair profile with an integrated 40mm round handrail system, the structure will not rust, flake, or require repainting, presents a clean professional appearance, and ties directly into our platform, guarding, gate, and handrail ecosystem. It is lighter to install with minimal floor disruption, faster to relocate, and engineered and manufactured in-house in Auburn Hills, MI so the stair fits your elevation and floor space exactly rather than forcing your facility to fit a catalog.
Design & Engineering Considerations
How our engineers approach each stair-system project.
- Layout survey - We map walls, columns, and obstructions to set flight lengths and the turn direction.
- Landing placement - The corner landing is positioned to clear obstructions and orient travel to the platform entry.
- Stairway geometry - Rise and run are laid out to align with OSHA 1910.25 across both flights.
- Load engineering - Flights, landing, and footings are sized for foot traffic with design margins.
- Adaptability - Modular connections let the stair reconfigure or relocate when the layout changes.
Safety & Compliance Considerations
Stairs are engineered to align with OSHA 1910.25 stairway and 1910.29 guardrail criteria; installed compliance is verified with your safety authority.
- Rise, run, and landing geometry engineered to align with OSHA 1910.25 stairway criteria.
- Continuous 40mm round handrails and 42-inch guardrails per OSHA 1910.29 on both flights and the landing.
- Corner landing provides a code-referenced rest point and reorients travel.
- Slip-resistant treads selected for the operating environment.
- Self-closing gates at platform entry; installed compliance verified with your team.
Specifications & Configurations
Representative configurations — all dimensions and options are custom-engineered to your requirements.
| Specification | Detail |
|---|---|
| Structure | Aluminum stair profile with 40mm round handrail system |
| Configuration | Two flights with 90-degree intermediate landing |
| Rise / Run | Engineered to align with OSHA 1910.25 stairway criteria |
| Tread Options | Serrated aluminum, bar grating, or perforated plank |
| Handrail / Guardrail | 40mm round handrail; 42-inch guardrail with mid-rail and toe board |
| Base | Floor-anchored or freestanding leveling feet |
Frequently Asked Questions
Common questions about l-shaped industrial stairs design, configuration, and compliance.
What is an L-shaped industrial stair?
It is a stair with two flights joined by a 90-degree intermediate landing, so the climb turns a corner. It fits layouts where a straight run will not — routing around walls, columns, and equipment or orienting personnel toward a corner platform entry.
When should I use an L-shaped stair?
Use an L-shape when the approach must turn a corner — against a wall, around an obstruction, or into a corner mezzanine — or when you want personnel facing a specific direction at the top landing.
Are L-shaped stairs OSHA compliant?
They are engineered to align with OSHA 1910.25 stairway geometry and 1910.29 handrail and guardrail criteria, including the intermediate landing, 40mm handrails, and 42-inch guardrails. Installed certification is verified with your safety authority.
Can the turn go left or right?
Yes. The 90-degree turn direction and both flight lengths are configured to your layout, so the stair can turn either way to fit the space and orient travel to the platform entry.
What tread materials are available?
Serrated aluminum plank, bar grating, and perforated plank — selected for the debris, liquids, or washdown conditions at your site.
Can the stair be relocated later?
Yes. The bolted aluminum structure reconfigures and relocates with hand tools when the layout or served platform changes.
Design Your L-Shaped Stair
Share your layout and the corner or obstruction to work around — our engineers will return a code-referenced L-shaped stair design with a quote.