Most commercial buildings that need a wheelchair ramp pour concrete and consider the decision made. It’s familiar, it looks permanent, and it feels like the professional choice. But “familiar” and “correct” aren’t the same thing and for a significant number of commercial properties, that default decision is costing more money, creating more compliance risk, and delivering less flexibility than the alternative.
The U.S. Department of Justice estimates that roughly 20% of Americans live with a disability. The ADA has required accessible commercial entrances since 1992. Yet accessibility complaints filed under Title III of the ADA — which covers places of public accommodation — have increased steadily over the past decade, with physical access barriers consistently among the top cited violations.
The ramp decision deserves more than a default. Here’s how to actually think through it.
What ADA compliance requires and what it doesn’t specify
The ADA Standards for Accessible Design, maintained by the U.S. Access Board, set clear technical requirements for ramps in commercial facilities:
● Maximum slope of 1:12 — one inch of rise for every 12 inches of ramp length
● Minimum clear width of 36 inches between handrails
● Edge protection on both sides to prevent wheelchair wheels from slipping off
● Slip-resistant surface material
● Level landing areas at the top, bottom, and any change of direction — minimum 60 inches deep and 60 inches wide
What the ADA does not specify is the material. Concrete, aluminum, steel, wood — none is required or prohibited. What’s required is that whatever is installed meets the dimensional and surface standards above. This is a point many facilities managers miss: the material choice is entirely open. Compliance is about configuration and installation, not what the ramp is made of.
This matters because it means modular aluminum ramp systems when properly configured — are fully ADA-compliant. The perception that modular equals temporary or non-compliant is simply not accurate.
The facilities manager’s blind spot: total cost of ownership
When facilities teams compare concrete versus modular ramps, they typically look at upfront installation cost. Concrete usually wins that comparison. But upfront cost is the wrong metric for this decision.
The actual comparison should be total cost of ownership over the building’s tenancy period and that calculation looks very different.
Consider a leased commercial space with a 5-year lease. A concrete ramp costs approximately
4,000 to install. When the lease ends, that ramp stays with the building. The tenant receives zero residual value and, depending on the lease terms, may be required to restore the entrance to its original condition — meaning they pay again to remove what they paid to build.
A commercial modular ramp system in the same space costs
6,500 installed. At lease end, it disassembles and moves to the next location. The total cost over multiple lease cycles is substantially lower, and the business retains an asset rather than writing off a sunk cost.
For building owners rather than tenants, the calculus shifts but not entirely in concrete’s favor. Modular systems installed by building owners can be reconfigured when tenants change, relocated when building use changes, and upgraded when ADA standards are revised without demolition.
Where concrete still wins
This is not an argument that modular ramps are always the right answer. There are situations where concrete is clearly the better choice.
High-volume permanent installations. A hospital entrance, a large retail anchor store, or a municipal building with thousands of daily users is a different environment than a small business storefront. Under sustained heavy use including motorized wheelchairs, delivery equipment, and power scooters — a well-constructed concrete ramp requires less ongoing maintenance than a modular system.
Aesthetic-critical properties. Historic commercial buildings, luxury retail, and hotel properties where exterior appearance is integral to the brand experience often benefit from a concrete or stone ramp designed to match the building’s architecture. Modular aluminum looks functional. It doesn’t look architectural.
Long-term owned assets. If a business owns its building outright and has no plans to change the entrance configuration, a concrete ramp amortized over 20+ years is the lower long-term cost option.
The scenario where modular ramps are clearly superior
Beyond leased spaces, there is a category of commercial situation where modular ramps aren’t just competitive, they’re the only practical solution.
ADA complaint response timelines. When a business receives an ADA complaint or a demand letter, the clock starts immediately. Concrete installation timelines — permits, contractor scheduling, curing time can run four to eight weeks. A commercial modular ramp can be installed in a single day. For a business facing legal exposure, that difference is significant.
Historic and architecturally restricted properties. The National Park Service and many State Historic Preservation Offices have explicit guidance that modular, reversible accessibility solutions are preferred over permanent modifications to historic structures. A modular ramp that anchors without penetrating the existing surface is often the only path to compliance that doesn’t require a separate historic preservation review.
Multi-site and franchise operations. A business upgrading accessibility across multiple locations sequentially can invest in a modular system that deploys at one site, then relocates to the next. The capital doesn’t get consumed at every location — it moves with the project.
The mistake that undermines both options
The most consistent error in commercial ramp projects — regardless of material — is treating the ramp as the entire accessibility solution rather than one component of an accessible route.
Under ADA Title III, a “place of public accommodation” must provide an accessible route from parking to the entrance, through the entrance, and to all public areas inside. A compliant ramp at the front door does not satisfy this requirement if:
● Accessible parking spaces are missing or incorrectly dimensioned
● The route from parking to the ramp crosses uneven pavement or barriers
● The door at the top of the ramp requires more than 5 lbs of force to open
● The door hardware is a round knob rather than a lever
● The threshold at the door exceeds half an inch in height
These are the details that generate complaints after a ramp has been installed. An access audit of the full route not just the entrance — is what actually closes the compliance gap.
Frequently asked questions
Are modular wheelchair ramps ADA compliant for commercial use?
Yes, when properly configured. The ADA Standards for Accessible Design do not specify ramp material — they specify slope, width, edge protection, surface texture, and landing dimensions. A commercial modular ramp system installed to those specifications is fully compliant. The relevant standards are in ADA Standards for Accessible Design, Section 405.
What slope is required for a commercial wheelchair ramp?
The ADA requires a maximum slope of 1:12 for ramps — one inch of rise for every 12 inches of run. A commercial entrance with a 30-inch rise requires a minimum 30-foot ramp. Steeper slopes are permitted only for very short rises in space-constrained situations, under specific ADA exceptions.
How long does it take to install a commercial modular ramp?
Most commercial modular ramp installations are completed in four to eight hours for standard configurations. Complex multi-section systems with platform landings may take one to two days. This compares to two to four weeks for permitted concrete ramp installation.
Can a landlord require a commercial tenant to remove a modular ramp at lease end?
This depends entirely on the lease agreement. Because modular ramps are not permanent structural modifications, many leases that prohibit permanent alterations permit modular systems. Tenants should confirm this in writing with the landlord before installation and retain documentation of the non-permanent nature of the system.
What maintenance does a commercial modular ramp require?
Annual inspection of connection hardware, non-slip surface material, and handrail mounting is recommended. Non-slip surface treads typically need replacement every three to five years depending on traffic volume. The aluminum structure itself does not rust or degrade structurally under normal commercial use.
About the Author: The team at Rescue Supply specializes in commercial accessibility equipment, including ADA-compliant modular wheelchair ramp systems for businesses, facilities, and institutions across the United States. Rescue Supply works with facilities managers, contractors, and accessibility consultants to help commercial properties meet ADA requirements efficiently and cost-effectively.
