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Knauf R-19 EcoRoll is a kraft-faced fiberglass insulation roll for 2x6 wall and floor cavities. It combines an R-19 thermal rating with sound absorption and a vapor retarder rated at 1.0 perm or less. The binder is formaldehyde-free ECOSE, and the roll carries GREENGUARD Gold and Asthma & Allergy Friendly certifications. It suits remodelers and DIYers insulating long 2x6 runs who want a faced roll that cuts cleanly and recovers fast. Against batts, the roll format covers more length per piece with fewer seams, but it is bulkier to handle overhead and needs careful kraft facing work at edges and penetrations.
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Lowest price we've seen: $120.60 on Nov 12 at DK Hardware. Tracked across 1 store since Nov 12.
This is a kraft-faced R-19 fiberglass insulation roll made for 2x6 walls and floors. It also works in ceilings and other cavities. It helps with thermal performance and sound absorption.
The insulation is bonded with plant-based ECOSE Technology and is formaldehyde-free. It contains recycled glass content. The kraft facing is a vapor retarder with a permeance of 1.0 or less, which helps manage moisture within cavities.
The roll is softer and low in dust. It cuts easily and recovers quickly, so it fits snugly between studs by friction. One roll covers 75.06 sq ft.
