Architect-Driven Access Solutions for Modern Design Challenges
Architect Assistance
Space-saving, code-compliant access systems with downloadable BIM/Revit/CAD assets and responsive engineering support.
Why Choose Lapeyre Stair
Built for Architects. Designed for Precision.
As an architect, you’re expected to balance code compliance, spatial efficiency, aesthetics, and constructability. Lapeyre Stair helps you do all of that with access solutions engineered to fit your project, not the other way around.
Technical clarity: BIM/Revit families, 3D CAD models, and spec sheets
Space-saving design: Optimized Alternating Tread Stair (ATS) systems
Engineering confidence: Pre-engineered assemblies and custom solutions
Responsive support: Direct access to our engineering and customer service team
Proactive guidance to keep your design aligned with OSHA and IBC from concept through construction.
Clear, well-organized worksheets and submittals that integrate smoothly into your documentation set.
Parametric models built for real-world projects — with custom support when you need it.
Concept-to-detail partnership focused on efficient layouts, smarter access, and better-performing spaces.
Popular Applicatons
Since the development of the Original Lapeyre Alternating Tread Stair in 1981, our designers and engineers have serviced a wide range of industries by developing OSHA- and IBC-compliant, space-saving, and safety-focused applications..
Solutions for Challenging Spaces​
Intelligent Access in Tight Footprints
Standard ladders and straight run stairs often consume valuable space or create pinch points in floor plans. Our Alternating Tread Stair (ATS) systems and compact stair options provide:
Up to 40–60% reduction in run space versus traditional stairs
Code-compliant tread geometry and handrail options
Configurations for mechanical rooms, lofts, mezzanines, and rooftops
Specification & Compliance
Code-Aware Design for Peace of Mind
We help you stay compliant with:
IBC and local jurisdiction standards
OSHA where applicable
All downloadable assets and spec packages include clear labeling for code considerations.
Need help? Contact Lapeyre Stair today!
Product and Installation Library
Our entire library of CAD details, BIM models, and installation instructions are at your finger tips.
About Lapeyre Stair's Architectural services
Lapeyre Stair works hand in hand with architects and general contractors to meet the needs of industries coast to coast. If you need assistance, our team of local service specialists and customer service experts are ready to assist.Â
CEU Credits
Looking for continuing education credits? …..
Remote Customer Service
With over 100 years of combined knowledge, our in-house designers, engineers, and customer service team can jump on the phone or set up a virtual call if needed.
Documents Library
Looking for specific CAD details or BIM models? All Lapeyre Stair files are available for download. If you can’t find what you’re looking for, just let us know.
Pre-Engineered & Custom Solutions
Off-the-Shelf or Tailored to Your Project
Whether your project fits within our standard configurations or you need a unique solution, we’ve got you covered:
Pre-Engineered Stair Systems
Pre-defined models that accelerate coordination and procurement:
Alternating Tread Stairs
Space-Saving Straight & Offset Stairs
Platform Systems
Custom Engineering Services
When standard isn’t enough, our in-house engineering team will:
adapt a solution to your plan
provide engineered drawings
collaborate on structural and support conditions