DIYbanter - View Single Post

(HVAC fella) wrote in message ...
3.5 " insulation is all you can get in a 2x4" stud space. There should
be some valueable info avail. on this topic thru a Google search. Im in
northern illinois and have 3.5 " in the walls and i had 18" blown in
the attic over the existing 6" batts. Made a big difference in the
heating bills. Get hold of some tight fitting thermopane windows too.

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Have you hugged your A/C Tech today ?

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In fact, I discovered that U.S. batt insulation may improve if
slightly cysompressed.
Journal of Light Construction said nominal 6 inch pushed into nominal
4 inch space works.
I was told this was true during a seminar and asked JLC several years
ago.

Tom Baker