
What height deck requires a railing?
The IRC ( International Residential Code) notes that deck railing systems must be at least 36 inches in height from the decking surface to the top of the top rail on homes. Outdoor living spaces connected to larger buildings such as multi-family buildings, apartment buildings, businesses, or restaurants are regulated under a different code.
How high should a deck railing be?
In most cases, deck railing heights vary between 36 to 42 inches from the deck surface to the top of the rail with the bottom of the railing being less than 4 inches from the deck surface; however, you should always double check with an experienced contractor or deck railing professional to ensure that you are meeting local code requirements.
What is the maximum height of a deck without railing?
What is the maximum height of a deck without railing. There is no maximum height. The top rail should not be less than 36 inches from the deck surface in a. Its height remains below 30 inches. Hand rails height on stairs is not less then 34 inches measured vertically from the nose of the tread.
Are railings required on decks?
If your deck is lower than 30 inches from the ground, a railing is not required for your space. It's still important to keep in mind as a homeowner and DIY deck builder, however, that a deck railing system can still be beneficial even if not necessary by law.

Can you have a deck without a railing?
If your deck is below 30 inches, a railing is not required. With that said, if you choose to build a deck, even if it is only 24 inches off the ground, that is still high enough that even an adult could injure themselves.
How high off the ground can a deck be without a railing?
30-inchI went to a friend's house a while back to admire his new deck. This friend was very excited, especially by how much time he saved by not adding a railing. He'd made a point of building his deck so as to stay under the 30-inch requirement--which is the maximum deck height you can have without a railing.
Do I need a railing on my deck stairs?
So whether you're constructing a residential composite deck, lumber deck or a deck made from other decking material, you're typically required to install a graspable secondary handrail on one side of the deck's stair railing when there are four or more stair risers present.
How high of a deck needs a railing?
30 inchesAccording to the IRC, deck guardrails must be installed on any deck higher than 30 inches above grade. The deck guardrail height should be a minimum of 36 inches, as measured from the surface of the deck to the top of the rail.
Do I need a handrail for 2 steps?
(1) Stairways less than 44 inches in width may have one handrail or stair railing except that such stairways open on one or both sides shall have stair railings provided on the open side or sides. (2) Stairways having less than four risers need not have handrails or stair railings.
What is a floating deck?
A floating deck is a deck that isn't attached to a building and they “float” above the ground. Generally, floating decks are low to the ground and don't require handrails or even staircases. They are sometimes called “grade-level” or “freestanding” decks because they're built just above the ground level, or grade.
How many steps can I have without a railing?
The building code does not refer to the number of “steps” but it does require a handrail when there are two or more “risers”. For clarification, a “riser” is the vertical portion of a stair. The “tread” is the top of a step.
Is a handrail a legal requirement?
It's a legal requirement to include a handrail on your stairs (for health and safety reasons) Include a handrail on at least one side of your staircase if it's less than one metre wide, and on both sides if it's wider. Place handrails between 900mm and 1000mm above the highest point of the staircase's steps.
How wide can steps be without a railing?
1.2. The clear width of 48 inches (1219 mm) between handrails is not required for exit stairways accessed from a horizontal exit. The width of stairways shall be determined as specified in Section 1005.1, but such width shall not be less than 44 inches (1118 mm).
What is the maximum height without railing?
Some decks are not required to have guardrails, provided those decks are no more than 30 inches above grade. If you see a deck that has no guardrails (also called a low-rise deck), this might be the reason: its height is below 30 inches.
Can a 2x4 be used as a handrail?
According to the IRC (2018), you can use a 2×4 to make a handrail, but you must cut finger recesses along both sides of the board and position the lumber lengthwise on its end. Using a 2×4 as a handrail laid vertically is not allowed.
What is code for horizontal deck railing?
36″The IRC (International Residential Code) requires that deck railing be at least 36″ in height. This should be measured from the deck or porch surface to the top of the railing.
Can you build a wood deck on the ground?
Yes, you can build a deck directly on the ground, but with some conditions. A deck on the ground must be built with ground-contact wood, and the substructure needs to be adapted for minimal height. Even though technically a ground level deck is elevated up to 24”, here we will discuss decks built less than 8” high.
How high can steps be without a railing?
If there is a “drop” of 48 inches or higher from the top tread, you need a guardrail.
How high can you build a deck?
In the United States, a floating deck's maximum height is 30″ above grade if not attached to a house or in front of an egress door. In Canada, a floating deck can be no taller than 24″ (0.6m) above grade.
How high can a deck be without a railing in California?
As a general rule all decks higher than 30″ above grade are required to have a guardrail.
When is a Deck Railing Required?
If your deck is lower than 30 inches from the ground, a railing is not required for your space.
How much force does a deck railing infill need?
Infill Load Test: The strength of the deck balusters or deck railing infill are tested so that a one-square foot area must resist at least 125 lbs of force.
How much weight can a deck rail hold?
Concentrated Load Test: The top deck rail must be capable of holding a weightload of 200 lbs of force applied at the mid-point of a post-to-post railing section, against the side of a deck post, and at the top of a deck post.
How high should a deck rail be?
The IRC ( International Residential Code) notes that deck railing systems must be at least 36 inches in height from the decking surface to the top of the top rail on homes. Outdoor living spaces connected to larger buildings such as multi-family buildings, apartment buildings, businesses, or restaurants are regulated under a different code.
Why do you need a deck railing?
On top of keeping guests safe, another important reason to learn when a deck railing is required is to ensure that your outdoor space is up to the code of law. When constructing your deck, have a local building office send someone to inspect your space to check whether a building permit is needed or not.
How far off the ground should a deck be?
If you're learning how to build a deck and start designing a deck space, remember that porches and decks built even 12 inches off the ground, can still be enough for injuries and accidents. Considering children and pets, the risk of a fall from that low a height could be even more serious.
Can you build taller guardrails?
In either case, you are allowed to build taller guardrails as long as they conform to all other requirements stated in the code.
Decking Codes
Decks higher than 30 inches is the rule for railings. If your deck is shorter you can get away without a railing. Anything that is 30 inches or taller will need a railing installed to follow code and most importantly keep you and your family safe from injury.
Why You Should Install a Railing
Reason one is always going to be safety. We highly recommend installing a deck railing if you have young children or entertain older adults. Even if your deck is only 20 inches off the ground, a fall from here could still cause injuries. Another reason to do so is because it will make your deck look even better.
Codes, Codes, Codes
Not only do you need to install a railing if your deck is 30 inches or higher off the ground, but the railing itself will need to follow 3 codes to be acceptable.
Summary
The Deck Store will always recommend installing a railing when in doubt. They look great and keep your guests safe while enjoying your deck.
Why do you need a railing on a deck?
As previously mentioned, safety is the biggest concern when it comes to deciding whether or not to install a railing. Railings can serve to protect children, pets, and even adults. It may seem like a short distance, but any fall can lead to broken bones or other injuries. Rather than being ever-vigilant when the kids are horsing around on the deck, deck railing helps give you peace of mind so you can relax and enjoy the view. Taking away the safety aspect and just focusing on aesthetics, a railing can make your deck look much more expensive without adding a large sum to the grand total. Check out the large variety of railings available at Great Railing and add that finishing touch to your deck today.
What is aluminum railing?
Aluminum railing is designed for those who like versatility and durability. With a variety of textures and colors available, you can find an option that truly exemplifies the style of your home. These railings arrive pre-assembled so you can enjoy them as soon as possible.
Can you install a railing on a low deck?
If your deck is somewhat low to the ground, you may have chosen not to install a railing. Unfortunately, this choice isn’t always wise due to safety concerns, as well as code violations. Let’s explore the reasons why it is in one’s best interest to install a railing and the decking codes to follow.
Do you have to pass a deck inspection?
According to decks.com, a site maintained by Trex, your deck will be required to pass these tests during an inspection.
Is vinyl decking good for a deck?
Vinyl is a great choice for those looking for a low maintenance railing. It comes in many colors to match a new or already existing deck. Vinyl doesn’t show scratches like wood and doesn’t need to be painted like traditional wood decks. Vinyl’s durability makes it a cost-effective solution in the long run. It also provides a more traditional look for someone who’s going for classic deck design.
Can you sue someone for installing a deck railing?
There are deck railings that exist just to be decorative but which don’t serve a functional purpose. These aren’t the best idea because they aren’t truly functional. As previously mentioned, if you install a railing and someone gets hurt because it’s faulty, a lawsuit will most likely not go in your favor.
Deck Height & Railings
Note: These codes and regulations are part of the IRC – Section R312.1
Deck Railing Codes & Requirements
Railings keep you and your guests safe during social gatherings or when you’re spending the afternoon on the deck with your family. So it’s understandable that you’d want to make sure your deck’s railings are up to par.
What About Handrails on Stairs?
Similar to the requirements for railings, there’s a separate code for handrails on your deck stairs. It states that any set of stairs with four or more risers must have a continuous graspable handrail on at least one side of the stairs. And the handrail must be installed at a height of between 34 and 38 inches from the nosing of the stair treads.
Conclusion on Railing Requirements
These rules and regulations are in place for a good reason. Railings ensure you and your guests will be safe any time you’re out enjoying your deck. After all, we all know how lively dinner parties can get sometimes.
What are the requirements for a handrail for stairs?
Handrails are required for stairs in many applications and must meet standards as specified by R311.5.6.3 in the IRC code. The top edge of the handrail must be placed between 34” and 38” above the nosing of the stair treads. Handrail ends must be returned and terminated at rail posts. The handgrips must allow a minimum of 1-1/2” space between the handrail and the guardrail or wall. A variety of gripping shapes may be acceptable but must meet requirements for the gripping surface. Flat 2x4 and 2x6 handrails do not meet the requirements for graspable handrails. If you are using a circular cross section, then the handrail must have an outside diameter of between 1-1/4” and 2”.
What is the IRC code for handrails?
Handrails are required for stairs in many applications and must meet standards as specified by R311.5.6.3 in the IRC code. The top edge of the handrail must be placed between 34” and 38” above the nosing of the stair treads. Handrail ends must be returned and terminated at rail posts.
How strong are guardrails for stairs?
The guardrails must be strong enough to withstand a concentrated 200 lb. force anywhere along the top of the rail.
How tall is a guardrail?
The IRC requires guardrails to be at least 36" in height, measured from the deck surface to the top of the rail. Note that some local jurisdiction or state require higher, such as 42" in California.
How much space between deck railing and bottom rail?
The sweep space between the deck surface and the bottom rail must be less than 4".
How much force does an infill load test?
Infill Load Test: The strength of the balusters are tested so that a one-square foot area must resist 125 lbs. of force.
How high should a deck be above grade?
All decks greater than 30" above grade must have a guardrail. If you choose to install a guardrail on a deck lower than 30", you must still meet code requirements. Decks attached to single-family detached homes are regulated under the rules of the International Residential Code (IRC). The IRC requires guardrails to be at least 36" in height ...
How far apart should rail posts be?
Rail posts need to be properly fastened and should not be spaced more than about 6 feet apart to prevent a saggy or bouncy rail. Many builders run a 2x6 top cap continuously over the top of the posts and top rail to provide a clean finished edge and the practical purpose of providing a surface to set glasses, etc.
Cable Deck Railing
Cable deck railings are a popular option because it gives your deck a modern look and doesn't block your view. The Cable deck railing is almost maintenance-free and can last in any weather climate because it is made from very high-quality stainless steel.
Wood Deck Railing
The most common deck railing you will come across is wood. Wood is a super popular option because it is cost-effective and looks great! The downside to wood railings is the required maintenance. Without the proper care, wood can splinter, warp, and crack especially in harsher winter or wet climates.
Composite Deck Railing
A perfect low-maintenance option for your deck railing is composite deck railing. The composite deck railing is made from a mix of plastic and wood fibers. Because of this it closely resembles the actual look and feel of wood. Composite railing is also very durable and will last for years in all climates because it is resistant to moisture.
Plastic Deck Railing
Plastic or vinyl deck railing is similar to composite deck railing. The difference comes from how it's made and that the surface is much smoother than the composite wood. You usually can only find this option in white but it will keep that bright white color for years if maintained and taken care of.
Metal Deck Railing
Metal deck railing is a great option for a modern sleek design for your deck. The metal railing is very durable and looks great year-round. There are different types of metal to choose from. The most common options are stainless steel, wrought iron, and powder-coated aluminum.
Summary
A railing kit will add a modern and sleek look to your deck and keep your family safe! To view all the options mentioned above, check out our selection of deck railing materials .

Decking Codes
- Decks higher than 30 inches is the rule for railings. If your deck is shorter you can get away without a railing. Anything that is 30 inches or taller will need a railing installed to follow code and most importantly keep you and your family safe from injury.
Why You Should Install A Railing
- Reason one is always going to be safety. We highly recommend installing a deck railingif you have young children or entertain older adults. Even if your deck is only 20 inches off the ground, a fall from here could still cause injuries. Another reason to do so is because it will make your deck look even better. Plus, with the number of options available you can match your deck with the perfec…
Codes, Codes, Codes
- Not only do you need to install a railing if your deck is 30 inches or higher off the ground, but the railing itself will need to follow 3 codes to be acceptable. 1. Uniform Load Test 2. Infill Load Test 3. Concentrated Load Test
Summary
- The Deck Store will always recommend installing a railing when in doubt. They look great and keep your guests safe while enjoying your deck.