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With the TV mount bracket I have, I can get it in 3 studs. If I need 4 studs I will need a bigger TV mount. My TV is 56 pounds and my sound bar (attached to TV) is 5 pounds. So I'm wondering if 3 studs is enough or if I need 4.

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With proper anchors 3 studs are fine. One #10 wood screw penetrated 1" into cedar (the least quality of commercial lumber) will resist pull out of about 90 lbs, into most typical framing studs (with a specific gravity greater than 0.45) will hold 150 lbs.

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  • I can only imagine the lack of moth problems in a house framed with cedar studs! (I've never really thought of cedar as "lumber", especially when talking about hanging things from the wall, only as a drawer/chest material.) – FreeMan Jun 21 at 19:17
  • @FreeMan :) Right, was really just documenting that wood density makes a difference! – NoSparksPlease Jun 21 at 20:25

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