
Knauf Ecoroll R-19 Unfaced Fiberglass Insulation Roll 6.25 in x 15 in x 39.2 ft
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Knauf EcoRoll R-19 is an unfaced glass mineral wool roll for 2x6 wall and floor cavities, sold as a 6.25 in x 15 in x 39.2 ft roll covering about 49 sq ft. Its ECOSE binder is formaldehyde-free, GREENGUARD Gold certified and made with at least 50% post-consumer recycled content, and the batts are softer and less itchy than older fiberglass. R-19 suits exterior 2x6 walls and sound control between floors; against faced batts it lacks a vapor retarder, so it needs a separate membrane where code requires one. Owners of mineral wool and fiberglass batts generally rate it for easy cutting and low dust, though it still calls for gloves and a mask.
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Buyers of Knauf EcoRoll batts describe them as softer and less irritating than conventional fiberglass, with clean cuts and little dust. Mineral wool users note it still needs protective gear and careful fitting to hold its R-value.
Knauf EcoRoll is an unfaced roll of glass mineral wool insulation with an R-19 rating. It is made from abundant natural resources and at least 60% post-consumer recycled material, bonded with ECOSE technology.
The binder is naturally brown and made from corn, sand, and recycled glass, with no added dyes. The insulation is soft to the touch, easy to cut, and less itchy.
It provides sound control and can be used between floors and in interior walls, such as in bathrooms, kitchens, laundry rooms, family rooms, bedrooms, and theatre rooms.


