Practical, code-aware walkthroughs on stair layout, geometry, and compliance.
Measure rise and run, calculate risers and treads, choose stringer boa…
Why pie-shaped winder treads fail inspection, how the walking line wor…
Choose diameter, center column, rotation and riser height for a spiral…
How stair codes differ across the US (IRC/IBC), UK (Part K), and Austr…
What stair headroom is, the IRC 6'8" minimum, how it is measured along…
How to mark and cut a stair stringer: framing square setup, riser and …
Why you subtract a tread thickness from the bottom step, how much to drop, and flush vs hung mounting.
What rise and run mean for stairs, how they set the angle and comfort,…
When stairs need a landing, how deep it must be, and how US rise-betwe…
Work out the number of stair steps from a floor-to-floor or ceiling he…
What the Blondel 2R+T formula is, why 24-25 inches is the comfort targ…