âI think whatâs changed a bit over the years is â over time, the concentration of the active ingredient, THC, has increased dramatically in the marijuana that is available for people to smoke,â Ball said in a video.
Exterior residential entrance steps are usually about 7 inches high, so a porch with more than 2 steps would be about 21 inches high. Most building codes require a 36 inch high guard (railing) if the change in level is 30 inches or more.
Porch Railing Codes. Porch Railing Installation. Basically, railing height must be at least a minimum of 36 inches from the floor of your porch floor. If your porch or deck is above a certain distance from the ground (over 9 feet for example) you may be required to install 42 inch balusters or longer.