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Deck Pre-Quiz - Stairs

Decks Pre-Quiz - Stairs


 

Let’s quiz the noodle between our ears with 5 popular questions about deck stairs. Good luck!

03:00

1.

What is the IRC 2012 minimum width for a deck stairway?
32”
34”
36”
38”



2.

Which statement is most correct for 2012 IRC deck stairways?
At a minimum, a stairway with four or more risers must have a handrail on one side.
At a minimum, a stairway with two or more risers must have a handrail on one side.
At a minimum, a stairway with four or more risers must have a handrail on both sides.
At a minimum, a stairway with two stairs, then a landing, and two more stairs must have a handrail on one side.



3.

What is the IRC 2012 maximum allowable height for stair risers?
7 3/4 inches
8 inches
8 1/4 inches
8 1/2 inches



4.

What is the IRC 2012 maximum allowable variation in height allowed for stair risers?
3/4 inch
5/8 inch
1/2 inch
3/8 inch



5.

What is the IRC 2012 minimum allowable depth for stair treads?
9 1/2 inches
9 3/4 inches
10 inches
10 1/4 inches



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