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Old 01-20-2014, 10:17 PM   #1
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bay window ledge


Hi All,
I have an older home with a bay window. It is not the slide in type, each window was replaced individually because of the cold air on that side of the room. It did make a difference but I still have a major problem. The ledge on the inside is wood and it looks to me like it is about an inch thick and that is all there is. On the outside it is also wood, no insulation at all. It is really cold in the winter and I don't have a clue how to fix it. I've had a few people look at it to try to come up with a solution on how to solve the problem but no one has been able to help me. Any ideas on how this can be insulated?

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Old 01-20-2014, 10:42 PM   #2
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Extend the trim down, set-back from original for a drip edge, add 2-4" of XPS, cover with plywood soffit, caulk perimeter against air leakage. You need to decouple the wood from the ground temps, Fig.7; http://www.buildingscience.com/docum...n-crawlspaces/

Gary
PS. Welcome to the forums!

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Old 01-21-2014, 07:22 AM   #3
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+1

Great advice Gary.

Not the easiest of projects but it is the only way to get it done right.
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Old 01-21-2014, 10:12 AM   #4
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A picture might help to come up with some other suggestions.
There's a bunch of different ways to add on to the bottom of the window to add some insulation.
http://www.bing.com/images/search?q=...rior&FORM=IGRE
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Old 01-21-2014, 01:29 PM   #5
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Quote:
Originally Posted by joecaption View Post
A picture might help to come up with some other suggestions.
There's a bunch of different ways to add on to the bottom of the window to add some insulation.
http://www.bing.com/images/search?q=...rior&FORM=IGRE
I love that you use Bing.

Google is scary with the amount of information they are collecting and to be perfectly honest...I think I get better search results with Bing.

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