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Aluminum Stair accessing one roof from another roof. The perfect rooftop application because of the lightweight nature of aluminum.
CAD drawing of an aluminum alternating tread crossover system with legs.
Aluminum Access to the Top of a Tank
Aluminum Crossover system on a rooftop. The perfect rooftop application because of the lightweight nature of aluminum.
CAD drawing of a steel alternating tread stair with a work platform and legs.
Steel Alternating Tread Stairs with platforms, accessing a large tank.


A view of the space saving advantages of alternating tread stair compared to a full industrial stair.
Galvanized Steel Alternating Tread Stair, installed in a wet environment.
Work platform accessing a plastic molding machine with left turn access.
Multiple Switchback Landings and alternating tread stairs in a high-use area.
Multiple locations of alternating tread stairs and platforms accessing plastic molding machines.
Multiple locations of alternating tread stairs and platforms accessing plastic molding machines.


Cut out section showing Steel Alternating Tread Stair access through a roof hatch.
Steel Mezzanine Access, Galvanized Finish.
Two Steel Alternating Tread Stairs with Switchback and Exit landings, accessing a large tank.
Detail of the connection where the base plate of the leg connects to the ground/slab.
Detail of the connection where the a leg to the outside of the platform connects to drop in platform.
Detail of the connection where the a leg to the outside of the platform connects to drop in platform.


Image of Model 03AA with filler panel guardrails, drop in panel platform and legs ... custom paint.
Sample CAD drawing of a short leg system with full crossbracing. Most legs will not have bracing, or will have very little bracing.
Detail of the connection where the top plate of the leg connects to the underside of a drop-in panel platform.
Detail of the connection where the top plate of the leg connects to the underside of a drop-in panel platform.
Model 03AA stair, drop-in panel switchback and top exit landing, with filler panels.
CAD drawing of Model 03AA with filler panels, continuous rails, and drop-in panel platforms with a leg system.


Underside of a galvanized drop-in panel platform using Diamond treadplate panels, and legs.
Bar Grating Drop In Panel Platform, with filler panel guardrails ... custom paint.
CAD drawing of Model 03AA with balusters, drop-in panel platforms and a full leg system.
CAD drawing of Model 03AA with balusters, continuous rails, and drop-in panel platform with legs.
Detail of the connection where the a leg to the outside of the platform connects to drop in platform.
Detail of the connection where the a leg to the outside of the platform connects to drop in platform.


Bar Grating Drop In Panel Platform, with filler panel guardrails ... custom paint.
Bar Grating Drop In Panel Platform, with filler panel guardrails ... custom paint.
Image of Model 03AA with filler panel guardrails, drop in panel platform and legs ... custom paint.
CAD drawing of Model 03AA with filler panels, continuous rails, and drop-in panel platforms with a leg system, left turn intermediate and right exit.
Detail of the connection where the top plate of the leg connects to the underside of a drop-in panel platform.
Detail of the connection where the top plate of the leg connects to the underside of a drop-in panel platform.


CAD drawing of a steel alternating tread stair with a work platform and legs.
Steel Alternating Tread Stairs with platforms, accessing a large tank.
CAD drawing of a steel alternating tread stair with platforms to access tanks.
CAD drawing of a formed crossover platform with legs, no stair.
CAD drawing of Model 01AA stairs, with a left turn intermediate platform (formed type), with legs.
Multiple locations of alternating tread stairs and platforms accessing plastic molding machines.


CAD drawing of a Model 01AA Stair with BOCA style rails, with formed platforms and leg system.
CAD drawing of Model 01AA, BOCA style rails, with drop in panel platforms and support legs.
CAD drawing of Model 01AA, BOCA style rails, formed right exit platform with and support legs.
Multiple Switchback Landings and alternating tread stairs in a high-use area.
A catwalk style platform with an equipment platform off to the side, including stair and leg system.
A multi-level catwalk type platform with a taller stsair and shorter stair, including leg system.


Multiple locations of alternating tread stairs and platforms accessing plastic molding machines.
Alternating Tread Stair and platform accessing a plastic molding machine, with a switchback system in the background.
View from bottom of work platform accessing a plastic molding machine.
Model 01AA Stair with OSHA style rails, left turn crossover platform including leg system.
View from top of work platform accessing a plastic molding machine.
Aluminum Crossover system on a rooftop. The perfect rooftop application because of the lightweight nature of aluminum.


A single peice, short, formed aluminum crossover platform with steps formed in.
A single peice, short, formed aluminum crossover platform with steps formed in.
Detail showing the connection of the alternating tread stair as connected to a platform, from underneath.
Two Steel Alternating Tread Stairs with Switchback and Exit landings, accessing a large tank.
Detail of the spacer/connection where the baluster connects to the stringer, using supplied bolts.
Detail of bottom tread and connection to platform - electrical control pannel room industrial stairs.


An industrial Model 01AA stair accessing a loading dock.
Industrial Stair system accessing an electrical control pannel room, galvanized and painted.
Industrial Stair system accessing an electrical control pannel room, galvanized and painted.
Underside of platform, leg connection details - electrical control pannel room.
Details of stair to platform connection - electrical control pannel room.
Detail of top tread and landing - electrical control panel room industrial stairs.


Our first industrial stair prototype in 2003 used for testing.
Our first industrial stair prototype, with the Lapeyre Stair Crew in 2003.
Industrial Grip Tread Stair with BOCA style handrails.
Industrial Grip Tread Stair with OSHA style handrails.
Close-up of Industrial Grip Tread Stair with OSHA style handrails.
Detail of the connection where the baluster connects to the guardrail, using supplied bolts.


CAD drawing of Model 01AA, BOCA style rails, with drop in panel platforms and support legs.
CAD drawing of Model 01AA, BOCA style rails, formed right exit platform with and support legs.
Shipping-Packaging for Fully Assembled Industrial Stair - palletized and wrapped.
Shipping-Packaging for Unassembled Industrial Stair - stringers bolt to narrow pallet with balusters in a box between stringers.
Shipping-Packaging for Unassembled Industrial Stair - foam form holds rails onto the top of stringers.
Shipping-Packaging for Unassembled Industrial Stair - foam form holds rails onto the top of stringers.


A catwalk style platform with an equipment platform off to the side, including stair and leg system.
A multi-level catwalk type platform with a taller stsair and shorter stair, including leg system.
Model 01AA Stair with OSHA style rails, left turn crossover platform including leg system.
CAD drawing of Model 01AA, OSHA style rails, with a left turn exit and support legs.
A catwalk style platform, including a short Model 01AA stair and leg system.
Underside of platform - electrical control pannel room.


CAD drawing of Model 03AA with filler panels, continuous rails, and drop-in panel platforms with a leg system.
Model 03AA stair, drop-in panel switchback and top exit landing, with filler panels.
Model 03AA stair, drop-in panel switchback and top exit landing, with filler panels.
Model 03AA stair, drop-in panel switchback and top exit landing, with filler panels.
Drop In Platform with bar grating, fully balustered. Custom painted.
Detail of the spacer/connection where the baluster connects to the stringer, using supplied bolts.


Detail of the pan tread prior to pouring concrete. The bolts are sealed into the concrete.
CAD drawing of Model 03AA with balusters, drop-in panel platforms and a full leg system.
CAD drawing of Model 03AA with balusters, continuous rails, and drop-in panel platform with legs.
Detail of the connection where the filler panels connect to the baluster of the guardrail, using supplied bolts.
Model 03AA stair, custom painted. Fully balustered guard with handrail.
Model 03AA stair, custom painted. Fully balustered guard with handrail.


Top, looking down view of Model 03AA Diamond Tread stair - accessing a rooftop.
Top handrail detail, Model 03AA Diamond Tread stair - accessing a rooftop.
View of the underside of Model 03AA Diamond Tread stair - accessing a rooftop.
Detail of the connection where the baluster connects to the guardrail, using supplied bolts.
Detail showing the handrail tab connecting the handrail to the baluster of the guard.
Model 03AA, Pan Tread stair, prior to adding concrete, fully balustered with handrail.


Model 03AA with filler panel guardrails, drop in panel platform ... custom paint.
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