sealing air gaps around a light fixture? (not recessed light)

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Old 04-06-17, 12:20 PM
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sealing air gaps around a light fixture? (not recessed light)

Hello.

I'm about to replace my ceiling light fixture. It is not a recessed light.

I know there are some air gaps around the ceiling wire box. I will try to fill the big gaps via some settling joint compound.

But for the small gaps, can Great Stuff fireblock foam be used? I know you are not suppose to use it with recessed light, but for flush or ceiling flush mounted ceiling lights, are those okay?

Or should I just mud the crap out of the box and the drywall surrounding it. Doesn't matter since it is ugly, since it will be blocked by the light anyway.

Thanks.
 
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Old 04-06-17, 12:29 PM
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How big are the gaps? Setting compound might be ok but you might need drywall tape also. I'd just caulk minor cracks/gaps.
 
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