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Residential Stair Design – Guidelines, Criteria and Dimensions

by Sean O'Hara April 15, 2017

I received a question about stair width from one of our clients and thought it made sense to clarify the typical stair design rules for houses. These are the rules that are in the 2006 International Residential Code. Stairways have to be at least 36″ […]

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Commercial Stair Design – Guidelines, Criteria and Dimensions

by Sean O'Hara June 10, 2016

After seeing the popularity of my post on Residential Stair Design, I thought it made sense to explain the guidelines from the 2006 International Building Code for commercial buildings and common stairs in buildings with more than two dwelling units. It is much more complex […]

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Residential Spiral Stairs – Guidelines, Criteria and Dimensions

by Sean O'Hara April 28, 2016

Spiral staircases may be an option for your residential applications where you can’t fit a conventional staircase. These are the rules from the 2006 International Residential Code. Spiral staircases have to be at least 26″ wide with each tread being at least 7.5″ deep when […]

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Slope on Stair Treads and Landings

by Sean O'Hara December 2, 2014

I received an email today from an individual who’s contractor had built an exterior concrete stair for them. Each tread sloped 3/4″ down from back to front. I quickly emailed them back to let them know that isn’t up to code and in fact is […]

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