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.
For handrail, mounted to the wall on a staircase, we need to know on which side of the stairs the handrail is to be mounted when you are looking up the stairs.   If stair rail is to be fastened to a wall as well as to the steps, we will need precise measurements.