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Chemistry, 20.10.2020 04:01 jacks0292

If 25mm of drywall has an R value of 0.5 and fiberglass insulation has an R value of 5 per inch and plywood has an R value of 0.25. What is the R value
of the wall with 4 inches of insulation?

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If 25mm of drywall has an R value of 0.5 and fiberglass insulation has an R value of 5 per inch and...

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