Author Question: Rule 2 for calculating rise-to-run ratio is stated as _____. a. Tread width + riser height = 17 ... (Read 90 times)

saraeharris · **on:** Jul 24, 2018

Rule 2 for calculating rise-to-run ratio is stated as _____.

a. Tread width + riser height = 17 to 18
b. Tread width + (2 riser height) = 24 to 25
c. Tread width + (3 riser height) = 34 to 35
d. Tread width riser height = 70 to 75

Question 2

Tread width (unit run) is measured from the _____.

a. face of one riser to the nosing of the next riser
b. face of one riser to the face of the next riser
c. top of one tread to the bottom of the next riser
d. subfloor to the top tread