Latest Discussions : HVAC

majorbeary

01:48PM | 01/19/08
Member Since: 01/18/08
1 lifetime posts
I have 2x4 walls with sheeted with plywood and r-11 insulaton and will be replacing windows and residing my house. I'm interested in using rigid foam board to increase the r-value. If I use 1 1/2 inch foam board what steps and problems will I have if I use siding like hardy board, or something heavy like it. I'm concerned about sagging or having a structural problem......any advice??

Thanks


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