When it comes to constructing decking there are a surprising number of regulations that apply.
What height does a deck railing need to be.
Lower level decks are those which are raised no more than 300mm off the ground.
The minimum deck railing height allowed is 36 inches in most states and provinces.
The irc requires guardrails to be at least 36 in height measured from the deck surface to the top of the rail.
The ibc requires 42 high guardrails.
Deck height and handrail regulations.
If you choose to install a guardrail on a deck lower than 30 you must still meet code requirements.
This should measure from the top edge of the top rail down to the the deck surface.
This means that the handrail must be situated directly on top of the balustrade itself if you want to create the lowest profile possible.
The minimum height of the railing varies based on the height of the deck.
Specific requirements apply for decks higher than 4m.
Deck railing height requirements all decks greater than 30 above grade must have a guardrail.
Requirements for deck stairs the code has some very specific requirements for deck stairs.
Decks 24 to 5 10 180 cm need 36 guards and anything above 5 10 requires a 42 high railing.
Treads must be at least 10 inches deep measuring from front to back.
Respect minimum height requirements safety is important and something that should always supersede style.
Commercial decks attached to multi family buildings such as apartment buildings or businesses are regulated under the international building code ibc.
Handrails are essential for decks higher than 1m although they will help improve safety even on lower decks.
Railing height is measured from the top of the deck surface to the top of the deck rail.
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.
Decks attached to single family detached homes are regulated under the rules of the international residential code irc.
Deck railing height should be a minimum of 36 inches.
This applies to the broad majority of the united states for all residential decks.
International building code regulations state that a deck railing must be at least 36 inches high if the deck is 30 inches or more higher than the adjoining ground.