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Step 4 · Cut the First Stringer

Once the layout is complete on the first stringer board, it's time to make the cuts. Use a circular saw to cut along the marked lines. For the notches (the rise and run), you'll typically make two cuts to remove the waste material. Ensure the cuts are straight and square. The bottom-most cut for the first step (the riser cut) and the cut for the last step (the tread cut) need to be precise. After cutting, you should have a series of notches that will support the treads.

Tools and Materials

American Pro Decor 72 in. x 24 in. x 1/8 in. Unfinished Interlocking Circle Decorative Perforated Paintable MDF Screening Panel Insert Safety Glasses 3M Pro-Protect Wireless Electronic Hearing Protector with Bluetooth Technology, NRR 25 db
Cut the First Stringer · How to Lay Out and Cut Deck Stair Stringers · Oak Valley Designs DIY Hub

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