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This is a ten-bag bundle of R-19 kraft faced fiberglass batts, pre-cut at 23 inches wide by 48 inches long for standard 2x6 wall cavities. The kraft paper facing acts as a vapor barrier on exterior walls, and the batts also fit basement floors and attic spaces. The bundle ships as two five-bag bunches and covers roughly 1,380 square feet. Against unfaced batts it adds a built-in vapor retarder; against blown-in or spray foam it is simpler to install but less effective at sealing gaps and irregular cavities.
Availability unknown
Lowest price we've seen: $1,988.95 on Nov 4 at VXB.com Bearings. Tracked across 1 store since Nov 4.
This is an R-19 kraft faced fiberglass batt insulation bundle. The batts are made of fiberglass with a kraft paper facing. The facing acts as a vapor barrier for exterior surfaces.
Dense glass fibers create small pockets of trapped air that slow conductive heat flow. The pre-cut batts fit standard wooden framing and 2x6 frames. They slide into standard wall cavities, basement floors or attic spaces to help stop heat loss.
Each panel measures 23 inches wide by 48 inches long and half an inch thick. A ten-bag set covers 1380 square feet.