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02-13-2022, 04:07 PM | #23 |
Colonel
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Posts Drives: 2007 328i / 2014 M235i Join Date: Nov 2017
Location: Ontario Canada
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New standard in southern Ontario is R60, I had a company do blown insulation for a couple thousand, they blew it on top of existing insulation.
Make sure your brick work is pointed properly mice can sneak in the smallest spaces |
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02-27-2023, 07:38 PM | #25 |
Major General
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Depends if u use closed or open cell. I did attic 2 inch closed cell and open cell after that to make R38 I think. It was $7k
I see I already said that in my op.... |
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