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Air sealing remodel can lights with terra cotta pots

Monster_Hair's picture

If this has been talked about before, please just direct me there. 

I have a new to me house with a dozen remodel can lights installed(IC).  They of course didn't air seal anything.  I was thinking of using terra cotta flower pots with a bit of spray foam to seal them shut.  They would let some moisture through, but not a lot, and they would definitely seal each hole.  They would be ok with temperatures, being fired clay, and not terribly expensive as well.  Am I crazy? Should I stick with taped ridgid insulation, or those $20 fiberboard cups?  

If you're talking about (post #212745, reply #1 of 1)

If you're talking about placing these outside of/over the cans, and they are IC-rated cans, I can't see any problems.

Of all the preposterous assumptions of humanity over humanity, nothing exceeds most of the criticisms made on the habits of the poor by the well-housed, well-warmed, and well-fed.  --Herman Melville