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I'd like to mount a 14"x14" in-wall media box between two studs in a rock lath wall. To be clear, the wall is NOT lath and plaster, but panels of some kind of sheet rock that have been plastered over. I've looked behind the wall and all of the plaster keys seem to be in good shape.

My plan is to:

  1. Tape off the wall where I plan to cut
  2. Score the outline with a razor
  3. Use an oscillating multitool with a suitable blade
  4. Go slow and hope for the best

Will the structural integrity of the rest of the wall's plaster be affected by cutting an opening in the wall this large? Are there any additional precautions I should be taking?

Bryan Coxwell
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1 Answers1

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The studs provide the structural strength of the wall. Cutting between 2 studs should not compromise anything on the other sides of the studs.

Will the structural integrity of the plaster be affected? No plaster/ drywall is not structural.

Other precautions would be to determine if there are any wires, pipes, ducts or anything in the wall cavity before you cut the hole. Possibly cut a small hole first to verify there is nothing to be concerned with.

RMDman
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