Step 8: Trim the First Runner

Trim the First Runner to Install a Flat-Weave Cotton Stair Runner
Photo: Laura Moss
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As you near the end of the runner, spread it over the last tread it covers and tuck it in at the base of the riser with the bolster chisel. Mark the runner 2 inches beyond the tuck and trim it to length. Fold under the cut end, leaving about 1 inch of runner protruding from the joint, and hold it in place with the bolster chisel, as shown.

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    Tools List

    • 100-foot tape measure
      Tape measure
    • combination square
      Combination square
    • chalk line
      Chalk line
    • carpet scissors
      Scissors
    • straightedge guide
      3-foot straightedge
    • black marker
      Felt-tip marker
    • staple gun
      Staple gun
    • flat prybar
      Thin pry bar
    • pneumatic staple gun
      Narrow-crown pneumatic stapler and air compressor
    • bolster chisel
      Bolster chisel

    Shopping List

    Felt carpet padding to cushion the runner

    Flat-weave cotton runner(s)

    Double-sided carpet tape to adhere the top end of the runner-inch staples for the staple gun to secure the padding

    1-inch 18-gauge narrow-crown staples for the pneumatic stapler, to secure the runner