How to Trim Width From Wooden Blinds

Written by dianne christensen-herman
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Streamlined, elegant, yet functional, wood window blinds can come with a hefty price tag. Decrease costs by making repairs or adjustments to blinds yourself. It can be a little challenging, but anyone can cut their wood blinds down to size with the proper tools and a little effort.

Skill level:

Things you need

  • Measuring tape
  • Pen
  • Duct tape
  • Rubber bands
  • Hacksaw
  • Pliers or screwdriver

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  1. 1

    Measure the inside of your window frame and subtract 1/2 inch. Transfer this measurement to the blind's valace, headrail and slats by making a mark with your pen.

  2. 2

    Trim the valance. The valace is the detachable piece of wood used to face the headrail. Remove it from the head rail and cut at the line with the hacksaw. Saw just inside the line to accommodate the metal brackets.

  3. 3

    Cut the headrail. Pull the metal piece or end stiffener from the blind's head rail. Trim the length with a hacksaw on the line you made. Put the end stiffener back in the head rail. Squeeze the end of the head rail together with pliers.

  4. 4

    Trim the blind slats. Hold the blinds together with a heavy duty rubber band or padded C-clamp and make sure the ends are lined up. Wrap duct tape around the ends of the blinds to avoid damaging them. Make a line with a pen on the tape where you need to cut them. Use a hacksaw with a dull blade to prevent damage when cutting the blinds.

  5. 5

    Replace the head rail and valance. Hang the blinds back on the window and double check that the width is correct. Make any necessary adjustments.

Tips and warnings

  • Adjustments may only be made for an inch or two on each end--larger cuts may damage or interfere with shade operation.
  • If blind measurements are way off, it is best to return them.
  • Making repairs yourself may void your warranty

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