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Layout First Straight and Angled Sections — First, Understand Your Staircase's Turn

Beginner2 hours

Part of project

L-shaped stair tread installation · Step 1 of 3

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To begin the layout, start with the bottom straight section. Measure and mark the full depth of the straight tread section, which is 11 inches, and then add the 6 inches required for the narrowest part of the first winder tread. This defines the initial straight run. Next, draw a line at a 45-degree angle from the outer edge of this first winder tread measurement. This line will define the outer boundary of the first angled section of the staircase.

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