The minimum height of the railing varies based on the height of the deck.
Roof deck design height limit lowered railing.
The nyc bc does not limit this require ment to accessibleroof areas.
2018 irc significant changes to deck provisions 25 deck design alternative provisions r301 1 1 other standards can be used to design a deck.
Code nyc bc requires that all buildings greater than 22 feet tall with low slope roofs and terraces have a 42 inch tall parapet railing or fence.
50 lbf vertical and horizontal load along top rail.
In the usa if your porch floor is less than 30 inches high from the ground a porch railing is not required by code.
Decks without railing pictures ideas designs picture search filters any deck type ground level deck second story deck pool deck first story deck porch curved deck multi level deck roof deck.
On the surface this seems to line up with ibc and osha regulations but there is one crucial difference.
4 maximum gap between balusters.
Likewise elevator penthouses are exempted to a maximum of 16.
Additional documents may be available in some regions.
Deck guardrail height.
4 maximum gap between deck and underside of bottom rail.
Decks attached to single family detached homes are regulated under the rules of the international residential code irc.
See code for other limitations e g number of stories and or floor area limits based on the buildable area of the lot aka floor area ratio.
Deck guardrails guards should rise to at least 36 inches above the residential deck level.
36 minimum height when surface is 30 above grade.
This is a minimum required height for residential structure higher guards are acceptable.
Decks 24 to 5 10 180 cm need 36 guards and anything above 5 10 requires a 42 high railing.
Residential design advisory team rdat and do not require a pre application meeting or section 311 neighborhood notification.
If your porch floor is over the heights stated the code requires a balustrade porch railing.
The irc requires guardrails to be at least 36 in height measured from the deck surface to the top of the rail.
200 lb concentrated load.
A requirements for single family dwelling projects may be more restrictive as required by section 12 21a 17 of this code.
Respect minimum height requirements safety is important and something that should always supersede style.
The planning code exempts stair penthouses to a maximum 10 feet above the prescribed height limit provided they do not exceed 20 percent of the roof area.
If you choose to install a guardrail on a deck lower than 30 you must still meet code requirements.
Height limits shown above are measured in feet.
34 minimum stair rail height from nosing to top of rail.
Commercial deck guardrails such as those found at restaurants bars and at multifamily homes such as apartments or condos are required to be 42 inches high minimum.