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Drawings and Photos explain the technical terms and many significant changes in the stair building codes since 2006.
- Headroom
- Walkline location
- Measuring carpeted stairs
- The definition of "flight"
- Measuring winder treads
- Handrail height
- Guard height determination
All illustrated in the new SMA "Visual Interpretation of the Stair Building Codes, 2009 IRC".
The IRC is the model code adopted into law by most jurisdictions. Always check for local modifications.