Ceiling – How to remove an old ceiling junction box to install one rated for a fan

ceiling-fanjunction-box

I want to replace a light fixture in my house (1950s construction) with a ceiling fan. I doubt that the existing box will support a fan.existing ceiling box

I see the big screw in the middle of the box. Is it holding the box up? How difficult will replacing the box be without attic access?

Best Answer

If you have determined that the existing box is not sufficient to support a fan or you want to make sure that a box is designed for a ceiling fan, it would not be difficult. After opening the breaker to the box in question.

  1. Remove the old box. You may have to cut some of the drywall away to remove the old box and to install the support bracket of the new ceiling fan box.
  2. Once the old box is removed, use a ceiling fan mount like this and attach to two joists.
  3. Re-patch the sheetrock and mount the ceiling fan.
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