Accessibility. It’s not something we overlook. Some homeowners require specific requirements for their deck design due to a disability. And if not, we still do our best to follow Universal Design (UD) principles.
When it comes to creating an outdoor space that can accommodate your or a family member’s needs, there are certain approaches to take. I wanted to give you a quick guide and some things to think about if you need a new deck or an accessibility upgrade.
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Evaluate Your Foundation and Structure
You need to complete a site assessment before starting on any project. Your goal is to make sure you have a good understanding of current and future needs. A big part of this is studying the ground features. What are its natural slopes? How does it drain?
A great accessible deck is a combination of not adding too much in terms of elevation and creating spaces that work for everybody. With many decks, this work involves adding ramps (and sometimes even lift systems).
The most seamless transitions occur when indoor and outdoor floor levels match. I get it. This isn’t always possible based on your foundation and maybe even local codes, but it’s worth having an expert come out to evaluate.
The same goes for the structure and build. Obviously, making your deck more accessible is going to change things a bit. Ramps need longer spans and different load distributions than stairs. And what about beams and posts? Yup, you’ll need more of them to handle the wider dimensions required to create enough room to turn on.
You’ll also need to add more footings and support posts.
The calculations for load-bearing must include both the weight of the deck and the dynamic loads from mobility equipment and wider furniture arrangements and potentially heavier usage patterns that accessible designs often accommodate.
Code Requirements vs. Best Practices
Residential decks do have to follow ADA standards. That said, these codes and guidelines are the industry standard. The closer you adhere to them, the more accessible your deck will be.
Your basic building codes — like these in Oyster Bay, Babylon, and Huntington — will cover things like railings, stairs, and structure requirements. They usually don’t help with accessibility.
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You’ll most likely need a permit.
You should reach out to your local agency to determine what requirements you’ll have to follow. (Here are a few other tips you need to know about when starting on your deck designs).
Ramp Design and Construction
You’ll need first to determine your slope measurements when building a ramp. Steep ramps are not helpful and dangerous. The right incline requires a decent amount of space. Keep that in mind.
Installing ADA-compliant landings creates safe conditions for users to navigate ramps. These platforms give guests a place to rest and plenty of room to maneuver.
You know what always comes to my mind when we’re talking ramps? Drainage. You’ve got a lot to think about, from materials to edge protection systems. You need good drainage to stop water from pooling and creating fall risks. Edge protection systems protect wheels from falling off-ramp edges. You can make these look good, too.
Need Help With Your Deck Design? Start Here.
Getting Thresholds Right
You want to make sure you don’t create tripping hazards when people are coming in or out of your home and onto your deck. This is a key consideration for accessibility. You really have to get your deck height and interior floor elevation to line up.
Weatherproof your thresholds. This step will help create a smooth surface. There are also specialized threshold materials you can buy to make them even safer.
Multi-Level Deck Considerations
The process of making different deck levels accessible demands inventive solutions that go beyond stair construction. Gentle ramps can connect small height differences between levels, while switchback ramps or mechanical lifts serve for bigger elevation gaps.
Platform lifts are efficient solutions for steep vertical changes, but users must connect them to power sources and perform scheduled maintenance.
Design deck levels to keep their height differences minimal or establish separate accessible areas at grade level, which link to upper levels through visual connections and functional elements instead of direct physical paths.
Surface Selection and Safety Features
You’ve got to get the right materials. It will affect accessibility and durability. The slip-resistant characteristics of composite materials combined with low maintenance needs make them a great option.
Textured surfaces create better traction compared to smooth finishes, but rough textures can make it hard to use mobility equipment. Whatever you end up going with, it’s got to be able to handle the weather.
Safety Systems: Railings, Lighting, and Weather
You have to consider every angle when designing your deck. I’ve already talked a bit about railing and edge protection systems, so I won’t go too far into that. When it comes to handrails, the ADA currently says you need a minimum of 34 inches and a maximum of 38 inches from the walking surface to the top of your grab rail.
Lighting is key to accessibility. It should focus on areas where people transition between levels and shine on areas with potential risks. The combination of step lights with path lighting and handrail illumination creates necessary visibility while preventing glare.
The general illumination from ambient lighting improves both comfort levels and usability for users. Users with vision limitations should avoid walking through areas with strong light-dark contrasts.
Weather Protection
The combination of windscreens and barriers enables deck users to stay safe while protecting those who need extra weather protection. The installation of partial enclosures creates a significant improvement in comfort without compromising outdoor accessibility.
We need shade and wind protection on Long Island. Even pergolas can help.
Quick Summary
I wanted to write a quick guide on some of the things that you need to think about if you’re trying to make an accessible deck. There’s a lot that goes into it. These talking points definitely aren’t comprehensive, but they’ll get you started.
It all starts with your foundation and structure. Mind your thresholds. Keep your lighting and weather protection top of mind, and you’ll have a great accessible deck.
