Benefit of upgrading R-11?


Old 04-24-05, 04:06 PM
Thread Starter
Join Date: Apr 2005
Posts: 33
Question Benefit of upgrading R-11?

We have a house built in the early 1970's in the Adirondack Mountains. We are updating it and are replacing the single pane windows with thermopane and are replacing the interior walls (ugly 70's paneling) with T&G pine. We have started to remove the paneling and found nicely installed R-11 insulation. We want to know a couple things: 1) Would there be a significant payback in removing this insulation and upgrading it, and 2)Is there something we could add to improve the R-value without removing it? The thought of pulling down all that insulation and replacing it is discouraging. Thanks!
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Old 04-25-05, 05:39 AM
Join Date: Dec 2003
Location: NJ
Posts: 22
r11 upgrade

When I replaced my windows like you are doing, I had to pull down the outside siding. At that point I decided to put on new siding. Under the siding I put rigid foam insulation. My house was built in 1970 in NJ skylands area.

The other question is if there is a vapor barrier facing the inside already?
Old 04-26-05, 01:59 AM
Thread Starter
Join Date: Apr 2005
Posts: 33
Thanks for the reply. The house is post and beam construction and the walls are panelized. The vapor barrier is facing in. The house is cedar sided and I don't think we will even have to remove the exterior trim to replace the windows. The window openings are actually the 2x4's and were left as is, so we literally just have to unscrew the window frames and slide them in from the inside. So, as you can see, we really don't have to do a lot of "tearing up". We were wondering if we could put Tyvek inside or something similiar???

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