When it comes to residential stair standards, the International Residential Code (IRC) establishes minimum requirements for stairs to insure a level of safety to the public. Several components are looked at such as stair width, headroom, riser and tread heights.
Viking Carrier
PFS Corporation
Mariotti Building Products
Note that when looking for commercial stair standards, one must look at the International Building Code (IBC). In this post we will be looking at the code standards related to residential stairs in accordance with the International Residential Code (IRC).
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