Step 3: Snap

man removing damaged clapboard from house exterior
Photo: Webb Chappell
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Work the pry bar along the butt edge until the lower half breaks off, preferably in one length. (It may take more than one pass.) If this piece remains intact, save it as a template for sizing the replacement. Leave the upper piece in place for now. Thump the exposed sheathing to see if it's sound. If not, cut out and patch any soft spots before continuing.
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    Tools List

    • utility knife
      Utility knife
    • flat prybar
      Pry bar
    • hammer
      Hammer
    • hacksaw blade
      Hacksaw blade
    • hand saw
      Handsaw
    • caulk gun
      Caulk gun

    Shopping List

    1. Replacement Clapboard (see Overview)

    2. Acrylic Latex Caulk

    3. 7d Stainless Steel Ring-Shank Siding Nails