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Knauf EcoRoll R-15 is a kraft-faced fiberglass roll sized for 2x4 wall cavities, at 15 inches wide by 18 feet long and 3-1/2 inches thick. Its ECOSE binder is formaldehyde-free and low-dust, and the kraft facing acts as a vapor retarder while adding some acoustic control. It competes with faced batts from Owens Corning and CertainTeed on the same R-15 wall spec; the roll format and softer feel are its main differences. It suits wall runs where you want fewer seams than short batts give you.
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Lowest price we've seen: $1,329.00 on Nov 12 at The Home Depot. Tracked across 1 store since Nov 12.
Owners of faced fiberglass rolls like this one generally report easy handling, low dust and clean cuts, and the kraft facing helps with moisture control. Complaints center on coverage per roll and the care needed to seal the facing properly.
This is a kraft-faced fiberglass insulation roll with an R-15 rating, made for 2x4 interior and exterior walls. The kraft facing acts as a vapor retarder and also helps with acoustic control.
The roll uses ECOSE Technology. It is formaldehyde-free, contains recycled content and is low dust. It is softer to the touch, cuts cleanly and expands to fill the cavity. It installs by friction fit.
Each roll covers 22.5 sq. ft. and measures 15 in. wide, 18 ft long and 3-1/2 in. thick. Recommended installation tools are eye protection, a dust mask, a straight edge, cut-resistant gloves, a stapler, a knife and a ruler.
