The Ontario Building Code | Curved or Spiral Stairs 3.3.1.15. Curved or Spiral Stairs (1) A curved or spiral stair is permitted in a stairway not required as an exit provided the stair has, (a) treads with, (i) a minimum run not less than 150 mm, and (ii) an average run not less than 200 mm, and (b) risers in conformance with Sentence 3.4.6.8. (2).
Are spiral staircases code compliant?
You will want to be able to pass inspection, so you will want a code-compliant staircase in this situation. 3. If the spiral staircase is the only means of access to a specific area of the home, you will need to meet building code. An example of this would be replacing an old set of stairs to a basement with a newer, sturdier set of spiral stairs.
What is a spiral stairway?
A spiral stairway or staircase is another type of stair system that the code allows in-lieu of conventional stairs. When a spiral stairway is installed within an individual dwelling unit, it must comply with the International Residential Code (IRC).
Should you install spiral stairs in your home remodel?
If you are installing spiral stairs in a home you are remodeling with the intention of selling, you can expect an inspector to come out and look at your home before you will be able to sell it. You will want to be able to pass inspection, so you will want a code-compliant staircase in this situation. 3.
What is the minimum height of stairs for exit stairs?
– Guards A new requirement has been added to harmonize the height of guards serving exit stairs with similar requirements in Part 9. Article 3.4.6.8. - Treads and Risers This Article was amended to increase the minimum run for stairs from 255 mm to 280 mm. The amendment also reduces the maximum rise for stairs from 200 mm to 180 mm.
