Hard wired smoke detector letting in hot attic air


Old 08-02-11, 05:10 PM
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Join Date: Dec 2009
Location: DC
Posts: 15
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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Old 08-05-11, 02:57 PM
Join Date: Jul 2011
Location: usa
Posts: 2
Get a can of Spray foam from your local hardware store.
Old 08-05-11, 03:04 PM
Tolyn Ironhand's Avatar
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Join Date: Nov 2007
Location: Twin Cities, MN
Posts: 12,185
Do not spray foam into the box! Box must be sealed from the outside (attic side)

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