90 degree staircase

Posts tagged #90 degree staircase

1 article tagged with “90 degree staircase”.

Wooden quarter-turn staircase with winder treads at a 90 degree corner turn

90 Degree Staircase: Quarter-Turn Layout, Winder Sizes and Space Needed

A 90 degree staircase splits its run into two legs joined by a turn. This guide covers quarter-turn layout, winder sizing at the walk line, IRC code checks, and real space needs.

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Calculations are for reference only. Always verify with local building codes.