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Blackking203 OP t1_j674qss wrote

Reply to comment by Joecool2008 in How to insulate 24" stud spacing with 2x3 framing? by Blackking203

I've been pricing things out and you are right. I think I'm going to do rigid foam and just cut it to size around the framing and used spray foam for any gaps.. I have about 88 sq. ft and the price is around $224 for 2in....What do you think about 1 1/2 inch?

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WISteven t1_j68fzl5 wrote

Make sure you cut the insulation about 1/4" short on all sides. That will leave a nice gap to fit the spray foam in.

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Joecool2008 t1_j6753mp wrote

Since I don't know the temperatures around your parts, I would be looking at the R values. But, 1 1/2 board does a decent job.

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