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ShwAlex t1_j66nmlu wrote

Are your studs 2" x 3" or 1.5" x 2.5"?

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Blackking203 OP t1_j6758qp wrote

They are nominal 1.5 x 2.5

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ShwAlex t1_j67c3h2 wrote

Use R8 batts for 2.5" walls and cross cut them. How many square feet of walls do you have?

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