R-21 Batts are most typically used in 2×6 Framing construction. Unfaced batts will friction fit between studs and require no stapling. Easier to cut than kraft-faced! Install a layer of 4 MIL poly sheeting if vapor barrier is needed. R-21 unfaced batts are cheaper and easier to install than kraft-faced batts making them the right choice for your next project.
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