Mounting a box for a smoke detector


Old 08-09-07, 09:33 AM
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Join Date: Sep 2005
Location: usa
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Mounting a box for a smoke detector

Ok, I'm currently in the process of setting up a hardwired smoke detector, and as can be expected, prepping the box to mount it is proving to be a puzzler.
The house I'm setting it up in is an old 18th century, and after drilling the to prep the box, I've found that there's sheetrock over plaster, adding up to about an inch and a half before hitting lathe. Now the hole is right next to a stud, but it's fairly deep in the wall.

The question is, what's the best way to mount the box without tearing up the wall too much (It's in pretty good shape).
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Old 08-09-07, 09:47 AM
Join Date: Sep 2003
Location: Central New York State
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Smoke detectors are not heavy. If you cannot get an old work box to attach with it;s integrated mounting hardware, you can probably figure out a way to add additional screws to hold the box into the lathe.

Or you could have used a pancake box and mounted it directly to the lathe.
Old 08-09-07, 03:14 PM
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Join Date: Jul 2002
Location: Maryland
Posts: 14,426
You can also carefully break out the plaster and lath behind the sheet rock so that the old work arms will be long enough. Another option is to use a smartbox that will screw into the adjacent joist.

Google smart box and electric.

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