A Height above finished ground level B Height of deck guard Greater than 18 m 6-0 1070 mm 3-6 Not Permitted between 140 mm 5 12 and 900 mm 3-0 above deck surface Yes No 12 m 4-0 minimum below ground level Less than 18 m 6-0 900 mm 3-0. 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.
Deck railing height and spacing. Treads must be at least 10 inches deep measuring from front to back. Deck railing openings can be wider apart 4 ⅜ between 36 and 42 to allow for better visibility. Deck railing height should be a minimum of 36 inches.
In domestic and residential areas railings on outdoor roofs and balconies must be at least 11 metres high. For these decks the handrails must not have any climbable elements located between 150mm and 760mm of the floor. Sometimes local building codes will have more stringent regulations so check your local building department for post spacing requirements.
This means horizontal balustrades are not allowed to be used at this height and vertical balustrades should have no footholds. Install railings on any deck that is 30 inches or more from the surrounding surface and on at least one side of a stairway leading to the deck. Stair treads must sustain a weight of at least 300 pounds in.
The same gap is allowed between the decorative elements of the deck railing. Stair rails on decks should be between 34 inches and 38 inches high measured vertically from the nose of the tread to the top of the rail. Strength and Durability Standards.
Decks four metres 4m from the ground or higher need to meet additional design requirements. For balconies with a fall height of more than 4m there must not be any horizontal or near horizontal elements between 150mm and 760mm above the floor that facilitate climbing. Below 36 openings are still only allowed to be a maximum of.
Your railing cant be less than 3 feet 90 cm from the surface of the deck. So the vertical components must not be more than 125mm apart. This applies to the broad majority of the United States for all residential decks.
The minimum height of the railing varies based on the height of the deck. Any railing used on stairs or balconies must have gaps of under 99mm in all directions so that children cant pass between them. If youre using a wood post system youll need a structural post every 8ft with intermediate non-load-bearing posts spaced every.
If your deck is more than 2 feet 60 cm off the ground youll need a railing to keep your deck up to code. The maximum space between the bottom rail and the surface is 4. Deck railing height should be a minimum of 36 for any platform elevated to 30 and more from the surface.
Commercial decks attached to multifamily buildings regulated under the International Building Code IBC require 42 high guardrails. The top of the railings is expected to withstand 200lb pressure vertically and horizontally. The gap between the balcony surface to the bottom rail must be no more than 100mm.
Respect Minimum Height Requirements Safety is important and something that should always supersede style. Decks attached to single family detached homes are generally regulated under the rules of the International Residential Code IRC. See note 1 What is the required depth for the foundation.
What is the Standard Deck Railing Height. Many states and provinces mandate deck railings to be at least 42 if the deck is 6 or more off the ground. To ensure your system performs as well as designed be sure to space structural posts 4ft apart center-to-center.
What is the spacing for cable railing. According to the International Building Code deck railing posts should be spaced no further than 6 feet apart. The IRC requires guardrails to be at least 36 in height measured from the deck surface to the top of the rail.
Decks 24 to 5-10 180 cm need 36 guards and anything above 5-10 requires a 42 high railing. The top of the handrail should be at least 34 inches. So the 4-inch rule is to ensure that babies will not stick their heads between the railings spacing.
Ideally they will achieve a visual contrast against their surroundings. This should measure from the top edge of the top rail down to the the deck surface. The IRC specifies that deck stair railing should measure between 34 and 38 inches high so homeowners may wish to use railing that is even higher than 34 inches for their deck stairs.
And no matter where you are in North America the rule of 4 or 10cm in. What Is Code For Deck Railing Height.