Graphic of Wood VS Aluminum Ramps

Wood vs. Aluminum Ramps

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We all know there are many material options to consider when purchasing a commercial ADA ramp for wheelchair access. Two of the most popular materials people typically consider are wood and aluminum. While project cost is important, it is also important to meet the project specifications and make the best choice for the building tenant and the people using it.

Wood vs. aluminum ramps
Wood vs. aluminum ramps

Here is a technical analysis of the different types of ramp material based on tensile strength and corrosion resistance.

When it comes to wood vs. aluminum ramps for commercial use, here are the 3 main reasons to choose aluminum.

Benefits of Upside Aluminum Ramps vs. wood

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Wood vs. Aluminum: Cost

Wood Cost:

Material cost: A wood ramp costs an average of $100-250 per linear foot, according to Fixr.com, so, although variable, a 30′ ramp can cost around $4,600. If you add a 5’x 5′ platform which is required at the door, it would cost a total of about $5,500 for the material.

Install time: A 30’ wood ramp with a platform takes roughly (2) 8-hour days for two carpenters to cut and install.

Install cost: To build the ramp, you will likely need two carpenters ($60 per hour) for the two days. That means that labor costs will be roughly $1,440. In total, a wood ramp costs about $7,240. Plus, you will have to factor in the price of a building permit which usually costs a couple of hundred dollars.

Aluminum Cost:

Material cost: Aluminum ramp manufacturers charge a wide range of prices because there are different grades of aluminum and the varying size and load requirements for commercial versus residential. You can expect to spend between $6,400 on material for a 30’ commercial, aluminum ADA including a 5’ x 5’ platform.

Install time: You don’t need any prior experience to install an aluminum ramp, and it takes about 3-5 hours to complete the installation of a 30′ ramp.

Install time: A novice can install an aluminum ramp system on his/her own, so the installation cost would be free if you decide to install it yourself. Installation costs for an aluminum ramp are typically less than half the cost of a wood ramp installation.

Aluminum vs wood ramps
Aluminum and wood ramps initially cost about the same amount of money when you consider installation cost.

Wood vs. Aluminum: Maintenance

Wood Maintenance:

Wood requires a lot of attention and maintenance to keep it in decent condition. Maintenance costs include:

  • Yearly paint or stain touch-ups to protect against moisture
  • Termite prevention and/or treatment
  • Replacing warped or rotted pieces
  • Replacing non-slip grip tapes on the walking surfaces because they will wear down and lose the grip

Aluminum Maintenance:

Aluminum requires very little to almost zero maintenance because it never rusts, which is the main reason why other metals lose their structural integrity. The only maintenance aluminum ramps require is to clear off any snow, brush, and mud that builds up on the ramp.


Wood vs. Aluminum: Ease of Assembly

Wood Ease of Assembly

Building out of wood is extremely time-consuming and tedious, and it’s difficult to get all the walkways and platforms level.

One of our installers, who also builds wood ramps and decks, describes building a 30′ wood ramp as such:

“Wood [takes] 2 or 3 days, assuming you can even build one to suit a picky building inspector or fire marshal. If I build one, I’ll buy steel or aluminum handrail components for it, because that’s about the only way to satisfy all the code requirements. We have done a fair amount of building a wood common landing between numerous buildings, but then installing aluminum rails, ramps, and steps on that.”

– John B.

Aluminum Ease of Assembly

Our prefabricated aluminum ramp sections consist of 3 components:

  1. Ramp walking surface
  2. Guardrails with pre-welded balusters and standoffs
  3. Handrail pipes

Prefabricated products are always faster to assemble than products you have to build on-site. Our prefab ramps take a few hours for a novice to assemble.

This is how simple our prefabricated ramps are to put together:

ramp section guardrail handrail connection
ramp section guardrail handrail connection

Wood vs. Aluminum: Slip-Resistance

Wood Slip-Resistance

Wood can acquire a slimy, slippery film from moisture accumulation, and you must apply grip strips to the surface. You will need to replace these strips multiple times throughout the life of the ramp to maintain the ADA-required coefficient of friction.

Aluminum Slip-Resistance

Aluminum ramps have slip-resistant decking that provides better traction than wood ramps and is much safer for those who use them. Upside Innovations uses a solid, extruded decking with small, raised ridges for traction.

Old, rotting wood ramp that has become very slippery
Aluminum ramp with non-slip decking that remains intact

Conclusion

WoodAluminum
Material$5,500$6,400
Labor$1,440$400
Permit$300
Total Costs$7,240$6,800
AssemblyTime-consuming and custom.
About 2-3 days
Ships with 3 primary components that bolt together.
Assembled in a few hours, not days.
MaintenanceOngoing
• Annual paint or stain
• Termite prevention/treatment
• replace warped or rotted pieces
• Onting replacement of non-stick tape.
Minimal
Requires almost zero maintenance.
Slip-ResistanceWood ramps tend to become slippery over timeAluminum ramp with non-slip extruded decking keeps traction over time
Table of Ramp Length with Platforms Calculations

Ramps for Modular Buildings – Planning Your Ramp Configuration

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You must consider many factors if you plan to install a modular building ramp because every site is different. Follow this guide so that you take the necessary site measurements.

step-1
step-1

Why does my ramp have to be a specific length?

The ramp must comply with ADA regulations if it is going to be used by the public. ADA regulations require a 1:12 slope which guarantees that the ramp will not be too steep for someone in a wheelchair to use. It also requires a landing area at both the top and bottom of the ramp, which must be at least 60” x 60”. If there is no existing landing platform at the threshold, then you will need a platform that connects the door threshold to the top of the ramp.

How wide does my ramp need to be?

Most standard ADA products have 48″ clearance between the handrails.  This specification covers ADA and IBC 2009 compliance across the United States.  The outer edge to outer edge of the ramp is close to 60″, but there ends up being only 48″ between the handrails after taking the handrail material, the standoff between the handrail and the guardrail, and the guardrail thickness into consideration.

step-2
step-2

Why do the width and length of the building matter?

If you need to have a switchback ramp, but there is no room for it to switch back in front of the building, you may have to wrap it around the side of the building. Knowing the length and width will help you determine the best layout for the ramp. 

Why is the door swing important?

If the door’s hinge is on the right, then the ramp has to move to the left (from the birds-eye or front view) so that the door does not block the ramp when it is opened. The same concept applies to a door with a hinge on the left.

If you need the ramp to go in the opposite direction than the door allows, additional platforms are needed.

Double doors and recessed doors also require additional platforms to have an adequate turning radius for a wheelchair.

step-3
step-3
step-4
step-4

Why is the slope of the ground important?

If the ground is sloping down, you can use our slope calculator to determine whether additional ramp sections might be required in order to maintain a 1:12 ratio. If the ground is sloping up, fewer ramp sections may be required. View the in-depth guide on how to measure sloping ground.

step-5
step-5

Why do I need multiple platforms?

To be compliant with ADA regulations, you need a 60″ x 60″ resting platform for every additional 30 feet of ramp. This means that if your door is more than 30″ above the ground, you will need at least a 30-foot ramp and a resting platform that will add an additional 60 inches to the ramp length. Here are some benefits of modular aluminum ramps.

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step-6

Is one configuration better than the others?

No. Choose the configuration that best suits your site, given any barriers that might be there and the allotted space you have. If you have limited space on the sides of the building, a switchback ramp would probably be best, but if there is a tree that would prevent the ramp from switching back, an “L” ramp or straight ramp would be better. You might also need to check if you need adjustable steps for your modular office.

What if there are obstacles in the way, but I can’t avoid them?

Sometimes it is easier to relocate or remove an obstacle instead of trying to configure a wheelchair ramp around it. If relocating or removing it is not possible, then you may need to use a larger platform to push the ramp past the obstacle, adjust the layout, or use a custom access system to avoid it. 

After preparing the site, contact a ramp manufacturer for a quote.

Upside Innovations manufactures modular-style aluminum ramps and installs them nationwide. Aluminum is the most durable commercial-style ramp that requires minimal maintenance and can typically be assembled in a matter of hours. 

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