Riser on Stairs

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Old 09-24-17, 05:04 PM
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Riser on Stairs

I was rereading the deck construction guide. I wasn't originally planning on using risers but with a normal step height of 7 3/16" risers must be manditory since without a riser, it would allow a 4in ball to pass? Am I reading this correctly? If so, are partial risers permissible? The deck stair designer app I was using doesn't seem to factor in the thickness of the riser?
 
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Old 09-24-17, 05:14 PM
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It really depends on your local code. Many jurisdictions have the 4" sphere rule, some don't. At any rate, full risers make a much stronger and safer staircase.
 
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Old 09-24-17, 07:27 PM
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Risers will also make it look far better!
 
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Old 09-25-17, 07:30 AM
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Risers will also make it look far better!
And you can put low voltage lighting in them
 
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Old 09-25-17, 05:14 PM
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It is hard to argue against the extra strength. So is the riser a 5/4 board and you position the treads to give you the minimum overhang?
 
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Old 09-25-17, 05:31 PM
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On a treated deck they are typically treated 1x8.
 
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