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Break Out Waste Material

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Sometimes you need a tool, sometimes you use the ones you got 👊

What happens here

Once all the parallel kerf cuts have been made, the remaining thin strips of wood between the cuts will be severely weakened. Using your hand, apply gentle but firm pressure to these strips. They should easily break off from the joist, leaving a clean notch. You can also use a hammer to gently tap the pieces, or a wood chisel to pry them out and clean up any remaining rough edges, ensuring the bottom of the notch is flat and smooth. Collect the removed wood chips and dispose of them properly.

Goal: Cleanly remove the cut wood to form the notch.

Tools and materials

  • Hammer — Gently tapping stubborn wood pieces or for use with a chisel
  • Wood Chisel — Prying out waste material and cleaning up the edges and bottom of the notch
  • Wooden Joist — The notched lumber
  • Work Gloves — Protecting hands from splinters during manual removal