07:17AM | 10/29/05
Member Since: 10/28/05
1 lifetime posts
We're building a "carriage" home in a new development. It's basically a twin home with a full basement; we have another home adjoining ours.

We have an "energy efficient upgrade" option that we're trying to decide.

It would upgrade the R-13 insulation to R-15 at the side walls and the R-30 to R-38 at flat ceiling areas. It is a $1800 option, we live in NJ, and our house will be heated with gas.

I looked at some charts regarding insulation on the internet & any other insight/opinion would be appreciated. Also, would the upgraded insulation add any value toward a better sound barrier for our adjoining neighbor? Thanks!


12:53PM | 10/29/05
Member Since: 04/25/05
1915 lifetime posts
if it is still FG bats then the incremental improvements won't be high.

But if it is a different type, such as densepack or BIBS or foam then they air seal the walls and that will have a much better improvement.



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