Decks 24 to 5 10 180 cm need 36 guards and anything above 5 10 requires a 42 high railing.
Balcony railing height.
The irc requires guardrails to be at least 36 in height measured from the deck surface to the top of the rail.
C the top of stair railings handrails and handrail extensions installed on or after april 3 1997 shall be at a vertical height between 34 and 38 inches above the nosing of treads and landings.
Commercial decks attached to multifamily buildings such as apartment buildings or businesses are regulated under the internation building code ibc.
There is no maximum height.
The international residential code requires balcony railings to be 36 inches high for homes.
For stairs installed before april 3 1997 this height shall be between 30 and 38 inches.
The ibc requires 42 high guardrails.
Each community has different height requirements to determine if the porch or balcony requires railings.
The permissible tolerance on height dimensions is one inch.
A railing is only necessary if the deck is 30 or more off the ground and 24 in certain jurisdictions.
For business or fencing use the railings should be 42 or 48 inches.
Respect minimum height requirements safety is important and something that should always supersede style.
A a standard guardrail shall consist of top rail midrail or equivalent protection and posts and shall have a vertical height within the range of 42 inches to 45 inches from the upper surface of the top rail to the floor platform runway or ramp level.