Whole-wall R-value
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Installing Closed-Cell Spray Foam Between Studs is a Waste
Why open-cell foam makes more sense than closed-cell foam between studs
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Five Types of R-Value
There’s a lot more to insulation than the number on the package
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Air Leakage Degrades the Thermal Performance of Walls
No surprises here — but testing by the Building Science Corporation begins to quantify the problem
