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NTA_Shawn t1_j658h0o wrote

Lowes carries a 24" R19 wall insulation that covers about 133sq ft. It's $109 here. Yes there are some rolls you can get for $30, but they only cover 40sq ft.

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DarkLink1065 t1_j659i5n wrote

That's for 2x6 studs, though, and won't properly fit in a 3" cavity.

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NTA_Shawn t1_j659ywd wrote

The R13 is for 2x4s and covers 163sq ft for $118 Item 108995.

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