Look up the effective R-value of wall insulation when the structural support for the wall is either
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Look up the effective R-value of wall insulation when the structural support for the wall is either 2 X 4 wood studs or 2 X 4 metal studs. Explain the difference.
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In most wall applications you will use R13 or R15 kraftfaced fiberglass ins...View the full answer
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