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Old 08-31-2011, 10:49 AM   #1
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Stair Treads


How much overhang is normal?

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Old 08-31-2011, 11:03 AM   #2
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Stair Treads


It would seem 1/2" to 1" is the norm.

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Old 08-31-2011, 09:40 PM   #3
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Stair Treads


There is normal and there is legal.... I'm normally legal but others say I'm not legally normal...what do they know.lol.

R311.7.4.3 Profile.
The radius of curvature at the nosing shall be no greater than 9/16 inch (14 mm). A nosing not less than 3/4 inch (19 mm) but not more than 11/4 inches (32 mm) shall be provided on stairways with solid risers. The greatest nosing projection shall not exceed the smallest nosing projection by more than 3/8 inch (9.5 mm) between two stories, including the nosing at the level of floors and landings. Beveling of nosings shall not exceed 1/2 inch (12.7 mm). Risers shall be vertical or sloped under the tread above from the underside of the nosing above at an angle not more than 30 degrees (0.51 rad) from the vertical. Open risers are permitted, provided that the opening between treads does not permit the passage of a 4-inch diameter (102 mm) sphere.

Exceptions:
1. A nosing is not required where the tread depth is a minimum of 11 inches (279 mm).
2. The opening between adjacent treads is not limited on stairs with a total rise of 30 inches (762 mm) or less.
http://publicecodes.citation.com/ico...011_par012.htm


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Old 09-01-2011, 05:29 AM   #4
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Stair Treads


Quote:
Originally Posted by GBR in WA View Post
The radius of curvature at the nosing shall be no greater than 9/16 inch (14 mm). A nosing not less than 3/4 inch (19 mm) but not more than 11/4 inches (32 mm) shall be provided on stairways with solid risers. The greatest nosing projection shall not exceed the smallest nosing projection by more than 3/8 inch (9.5 mm) between two stories, including the nosing at the level of floors and landings. Beveling of nosings shall not exceed 1/2 inch (12.7 mm). Risers shall be vertical or sloped under the tread above from the underside of the nosing above at an angle not more than 30 degrees (0.51 rad) from the vertical.
So... in layman's terms? How much overhang is normal? 1/2"? 1"?

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Old 09-01-2011, 06:22 PM   #5
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Stair Treads


Code says 3/4" to 1-1/4", above. I installed 1-1/4" for over 30 years of stairs, maybe twice only with less. Tread was usually 10". Makes a very comfortable step (ergonomic) with a 7-1/2 (+ -) riser..

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