Every number here is a working estimate to check with your building authority. Whoever prints this page takes responsibility for what is in it.
Lessons / Stairs, landings and handrails
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The bottom riser trap
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Equal risers marked, then 1 1/2 in treads added, so the top and bottom risers are out by a tread.
Every number here is a working estimate. Check it with your building authority.Turn JavaScript on to work the lesson. The drawing shows how it starts.
The rule this lesson teaches
Take the tread thickness off the bottom riser when laying out the stringer.