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Machinc
Machinc, General Contractor
Category: Home Improvement
Satisfied Customers: 871
Experience:  Has written home improvement articles since 2008. Earned South Carolina Residential Builders License in 1991.
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The current specs are (Building Code 2012) Riser: 7 3/4

Customer Question

The current specs for stairs are (Building Code 2012)
Riser: 7 3/4 inches
Tread: 10 inches
Can you tell me when these specs were put in place and what the specs were in the previous building code?
Thank you
Patricia Beswick ***@******.***
Submitted: 10 months ago.
Category: Home Improvement
Expert:  Papatrexas replied 10 months ago.

Hello and welcome to JustAnswers. My name is Papatrexas and I will be happy to assist you with your question.

Are you looking for US or Canadian code

Customer: replied 10 months ago.
Canadian, please.
Expert:  Machinc replied 10 months ago.
Private:
Riser :7 7/8 Inches
Tread : 9 1/4 InchesPublic :
Riser : 7 7/8 inches
Tread : 9 7/8 inchesAccording to 2006 Canadian Building Code
I will be right back with a link and more information
Expert:  Machinc replied 10 months ago.
http://www.twentyfivepercentmorelife.com/files/9.%20Housing%20&%20Small%20Buildings/9.8.%20Stairs,%20Ramps,%20Handrails%20&%20Guards/s%209.8%20Stairs.pdf
Expert:  Machinc replied 10 months ago.
Sept 2,2007 is when the 2006 code was accepted
Expert:  Machinc replied 10 months ago.
The 2012 code became effective December 2012
Expert:  Machinc replied 10 months ago.
Back in a few minutes with more information
Expert:  Machinc replied 10 months ago.
http://www.nrc-cnrc.gc.ca/ci-ic/article/v19n2-4
Expert:  Machinc replied 10 months ago.
This is a link you may also find helpful
Expert:  Machinc replied 10 months ago.
There were several studies blaming the dimensions of the 2006 code
for numerous accidents.
Expert:  Machinc replied 10 months ago.
This link has more information than you may need but it is worth a lookhttp://www.nrc-cnrc.gc.ca/ci-ic/article/v19n2-4
Expert:  Machinc replied 10 months ago.
Usually any construction done using the code in effect at that time is considered "grandfathered".
However there may be exceptions other considerations that may apply IE :accident volume etc,
Expert:  Machinc replied 10 months ago.
The rise 7 7/8 has pretty much stayed the same and has not been a matter of controversy. however the width of the
tread has been increased and seems to have been the main cause for concern.
Expert:  Machinc replied 10 months ago.
I will be glad to answer any questions you may have.
Expert:  Machinc replied 10 months ago.
There were no changes for private stairs in the 2010 code.
It was the same as the 2006 code
Expert:  Machinc replied 10 months ago.
The 2010 code did increase the tread to 280 mm for public stairs
The riser stayed the same.
Expert:  Machinc replied 10 months ago.
NOTE : some provinces have their own code or have not adopted
The Canadian Code . It would be advisable to check with the permits and
inspection department of your local area to be sure that compliance has been met.
Expert:  Machinc replied 10 months ago.
Here is the link with information for 2010 codes.http://www.nrc-cnrc.gc.ca/eng/solutions/advisory/codes_centre/presentations/2010/stairs.html

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