Roof Deck Design Height Limit Railing

Guards are required when then deck is 24 60 cm above grade.
Roof deck design height limit railing. 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. For a deck that meets all these requirements. Deck guardrail height. The irc requires guardrails to be at least 36 in height measured from the deck surface to the top of the rail.
The minimum height of the railing varies based on the height of the deck. Consider a typical cantilevered deck railing that extends 36 inches above the deck surface. The height of the rail post h as defined by ibc table 1604 3 is two times the height or 72 inches l. The following table indicates the design deflection to be used to size the rail for minimizing the deflection.
The ibc requires 42 high guardrails. Respect minimum height requirements safety is important and something that should always supersede style. The minimum height of the railing varies based on the height of the deck. Decks 24 to 5 10 180 cm need 36 guards and anything above 5 10 requires a 42 high railing.
Not exceeding 200 ft2in area not more than 30 inches above grade at any point not attached to a dwelling not serving the egress door 2018 irc significant changes to deck provisions 10 general requirements used materials r104 9 1 used materials equipment and. This is a minimum required height for residential structure higher guards are acceptable.