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R-21 kraft-faced fiberglass batts sized for 2x6 wall cavities, cut at 5.5 inches thick and 23 by 93 inches per batt. The kraft facing acts as a vapor retarder and is stapled to studs to form a continuous air barrier. PureFiber binder cuts airborne dust during installation, and the batts are formaldehyde-free and non-slag. They suit framed exterior walls, basements and attic runs where a faced batt is wanted; unfaced batts or blown-in insulation are the alternatives when no vapor retarder is needed or cavities are irregular.
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Lowest price we've seen: $1,843.95 on Nov 4 at VXB.com Bearings. Tracked across 1 store since Nov 4.
These R-21 kraft faced fiberglass insulation batts are made for 2x6 exterior walls. Each batt is 5.5 inches thick and measures 23 by 93 inches. The R-21 rating matches standard 2x6 stud depth, so the batts fit without compression.
The batts fit between wood studs and fill residential framing cavities before drywall goes up. They reduce heat flow and dampen sound. The flexible fiberglass expands to fill irregular gaps around wiring and blocking.
The kraft paper facing acts as a vapor retarder and moisture shield. It bonds to the wood framing to form a continuous air barrier layer. PureFiber technology lowers airborne dust during installation. The batts are non-slag wool and formaldehyde free.