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Step 9 · Install Treads

Place each cut tread into its corresponding notch on the stringers. Ensure a snug fit. Secure the treads to the stringers using screws or nails. For alternating tread stairs, pay close attention to the alternating pattern and ensure each tread is correctly oriented.

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Step 9 · Install Treads

Place each cut tread into its corresponding notch on the stringers. Ensure a snug fit. Secure the treads to the stringers using screws or nails. For alternating tread stairs, pay close attention to the alternating pattern and ensure each tread is correctly oriented.

Videos for this step

Install Risers and TreadsInstall TreadsInstall Treads

Tools and Materials

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How to Measure Alternating Tread Stairs

Step 9 of 10·2.5 hr left

Determine Total Rise
15 minutes2 items
Calculate Nominal Riser Height
10 minutes1 items
Determine Total Run
15 minutes1 items
Calculate Tread Depth and Nosing
20 minutes2 items
Mark Stringers for Treads and Risers
60 minutes5 items
Cut Stringers
75 minutes4 items
Cut Treads
45 minutes4 items
Attach Stringers to Floor and Landing
30 minutes4 items
9
Install Treads
90 minutes4 items
10
Install Handrails and Guardrails
60 minutes5 items
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