Insulate/ bug-proof windows and doors

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Old 05-06-10, 11:05 AM
K
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Insulate/ bug-proof windows and doors

My house has new vinyl windows, however the space between the window and the rough opening is completely open. Iíve noticed this past weekend that 3 bees found their way into the home and I suspect these openings to be the culprit. Unfortunately, I have to remove all window trim in order to view this opening.

Whatís the best solution to properly insulate AND bee/bug-proof these windows? I was thinking steel wool in any areas where I see daylight followed by a round of spray foam insulation. Anyone have any better options?
 
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Old 05-06-10, 04:28 PM
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The window installer should have insulated that space with fiberglass, foam or something. It should not have nothing but air. I recommend a foam, but not an expanding foam. There are several that are rated for windows/doors and will not over expand. This will seal out the bugs and drafts. An expanding foam can push out the frame making the window non-working or worse.
 
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Old 05-07-10, 10:14 AM
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Originally Posted by Just Bill View Post
An expanding foam can push out the frame making the window non-working or worse.
As a side question, will the window stop working over time or while the spray insulation is drying?

I used window & door insulation, just wondering had I used regular expanding foam, when would I know I made a mistake?
 
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Old 05-07-10, 10:41 AM
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If you had used the wrong stuff you would have known quite shortly.

Window and door in the blue can is fine. I like the DapTex Plus better than the Great Stuf. The Dap is latex based so cleanup is much easier..but either will work.
 
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