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Hard wired smoke detector letting in hot attic air

zstopa's Avatar

Join Date: Dec 2009
Posts: 15

08-02-11, 05:10 PM   #1  
Hard wired smoke detector letting in hot attic air

Should have added this to my previous post...but yeah, what can i squirt into this hole here that is leaking hot air into the second floor hallway?



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brian8474's Avatar

Join Date: Jul 2011
Posts: 2

08-05-11, 02:57 PM   #2  
Get a can of Spray foam from your local hardware store.

Tolyn Ironhand's Avatar
Group Moderator

Join Date: Nov 2007
Posts: 11,821

08-05-11, 03:04 PM   #3  
Do not spray foam into the box! Box must be sealed from the outside (attic side)

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