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R-19 EcoBatt Kraft Faced Fiberglass Insulation Batt 6-1/4 in. x 15 in. x 94 in. (12-Bags)

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  • R-19 fiberglass insulation pre-cut for 2x6 walls, floors & attics
  • Provides temp. control and sound absorption in floors and walls
  • Natural color, eco-friendly (formaldehyde-free), recycled content
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Product Overview

Knauf R-19 EcoBatt Kraft faced fiberglass insulation with ECOSE Technology is a leading sustainable insulation. All of our batts are bonded with the revolutionary, industry-transforming, plant-based ECOSE Technology. They are validated by UL Environment as formaldehyde-free, and they contain no Red List chemicals. Made with a high degree of recycled glass, our insulation batts are pre-cut to install quickly and easily with low dust and low hassle. Our kraft facing is durable, resists tears, and is marked in 1 ft. increments to streamline installation. And like every Knauf Insulation batt, EcoBatt is resilient and recovers quickly out of the package for a snug fit. Install Knauf Insulation in your home and stay comfortable-year-round. (Recommended use includes 2x6 stud walls along with floor and attic use.)
  • R-19 insulation is best used for application in 2x6 walls
  • Each R-19 fiberglass insulation batt is 6.25 in. D x 15 in. W x 94 in. L
  • Every order of 12 bags contains 1,175.04 sq. ft. coverage of R-19 insulation where each individual bag covers 97.92 sq. ft.
  • The R-19 R-value improves personal comfort in your home or office
  • R-19 insulation has high-quality materials made of resilient fibers for more energy efficiency and is Energy Star rated
  • Installation made fast and easy using pre-cut, softer to the touch insulation that has durable kraft facing marked in 1 ft. increments with stapling flange where cutting and splitting is simple with low dust
  • R-19 insulation compression packaging fits more product in every bag and is designed to last the life of the structure
  • Knauf fiberglass insulation provides superior thermal and sound control perfomance that improves comfort, privacy and productivity
  • Kraft vapor retarder helps prevent water vapor from condensing to liquid water within the cavity and has a vapor transmission (permeance) rating of 1.0 or less. Kraft facing will burn and should not be left exposed
  • Reduces heating and cooling bill by preventing outside air from entering and keeping controlled air inside
  • Fiberglass insulation minimizes insect intrusions by covering areas of entry
  • All Knauf fiberglass insulation is GREENGUARD Gold certified, free of red list chemicals and formaldehyde

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  • Click here to learn more about Eco Options and Energy Efficiency

Info & Guides

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Cover Area Per Bag (sq. ft.)
97.92 ft²
Coverage Area (sq. ft.)
1175 ft²
Product Length (ft.)
7.83 ft
Product Thickness (in.)
6.25 in
Product Width (in.)
15 in


Bag Size
4.16666667 ft. x 17 in. x 16 in.
Batt/Roll Size
7.83 ft. x 6.25 in. x 15 in.
Compatible Install Surface
Concrete,Existing Drywall,Metal,Plywood,Wood
Faced or Unfaced
Insulation Features
Formaldehyde Free,Vapor Retardant
Insulation Location
2x6 Wall
Insulation R-Value
Insulation Type
Number of Pieces
Pack Size
Product Weight (lb.)
24.86 lb
Roll or Batt

Warranty / Certifications

Warranty Information
1 Year Limited Warranty

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4.5
    out of 60 reviews
  • 90% recommend this product
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Showing 1-10 of 60 reviews
So easy to install!
We are first time home owners, and one of our first big DIY projects was insulating the attic. The Knauf Insulation comes in 16”x48” batts, which made installation a breeze. We were able to insulate the whole attic in one afternoon. Our friends and family were so impressed!! We owe it all to this quality product! Highly recommend.
Response from Customer ServiceFeb 22, 2021
Congratulations on your first home! That is a great first project that can lower your energy costs and improve the comfort of the home. We are glad to hear that Knauf EcoBatt Insulation worked well in your attic and thank you so much for sharing. Excellent photo!
    • Recommended
    I used this in my crawl space and it was wonderful! It was super compressed, so simple to transp...
    I used this in my crawl space and it was wonderful! It was super compressed, so simple to transport home in my car, and when I cut the package to open up, each batt pulled apart easily and expanded quickly. I cut them pretty easily with just a regular exacto knife. Press fit the batts into the space and held them with some tiger teeth. Made a nice difference, and looks pretty too (not sure how often I'll go admire my insulation, but hey). Very easy to work with - I was wearing a protective suit, but did not notice any fiberglass flying around like some of the old stuff I removed. It stayed together really well while I was cutting and move it into place. Finally, a shout out to the "how much do I need" calculator on the HD page where I ordered this - I measured my area, entered the measurements, bought what they recommended and had exactly the right amount! No waste, no excessive left over. I was super impressed. :)
    Response from Tamy WoodwardJan 20, 2021
    Thank you for your purchase of Knauf Insulation. KnaufInsulation
    • DIY
    • Recommended
    We order by the truckload
    I’m an insulation contractor with a few crews and we install anywhere from 25-40 truckloads of Knauf insulation per year. For years it has been our preferred brand for a few reasons. It is a very consistent material throughout which makes it cut more cleanly and install more smoothly. Other brands we have tried have actually had chunks of unprocessed glass in them. Others fall apart as you try to handle the pieces. It is a smoother fiber which makes it less unpleasant to handle. Other brands feel rougher. We also love that it is greenguard certified as well as the high recycled content. Overall this all translates into a better installation experience, which enhances the job outcome and makes a Grade 1 install more consistently achievable, and that’s what is best for our customers’ comfort and energy performance. We are proud to install this material.
    Response from Customer ServiceJan 15, 2021
    Thank you very much for your kind words and sharing this great photo of the installed insulation. It looks excellent! We are thrilled to hear that Knauf Insulation is your preferred brand for so many reasons. The best experience for our customers is our main goal. We look forward to providing you with top quality fiberglass insulation for years to come.
      • Recommended
      It doesn't seem to irritate your skin like the other insulation!
      It doesn't seem to irritate your skin like the other insulation!
      • Verified Purchase
      • Recommended
      I have purchased 3 bags of this product to use in my historic home make-over. I have found that m...
      I have purchased 3 bags of this product to use in my historic home make-over. I have found that many of the bats in each bag have the kraft paper glued off-center by 3/4" to 1", which leaves as little as 1/4" to staple to the stud. Normal application would allow stapling two adjacent insulation bays to be stapled with one stapling run. Pulling the paper over to staple it, reveals a kraft paper that is thinner, thus weaker than other brands, which then either tears off, or pulls away from the batt. This is annoying and does not speak to a quality product, for the fairly steep price that is paid. If I were working with this on a commercial site, accommodating this defect would cost extra time/money, or would result in a lower quality vapor-barrier and work! On the up-side, I like, very much, that this material is far less itchy to work with than the pink product.
      Response from Tamy WoodwardMar 4, 2019
      We will report this to our Operations group regarding the staple flange. If you could reach out to me so I may determine which store this was purchased at, that would be very helpful. 517-630-2076. KnaufInsulation
        • Recommended
        2 people found this helpful
            Keeps the garage cooler in the warmer months.
            Keeps the garage cooler in the warmer months.
            Response from Tamy WoodwardJun 3, 2021
            Thank you for your review of Knauf Insulation. KnaufInsulation
            • Verified Purchase
            • Recommended
            Rating provided by a verified purchaser...
            Rating provided by a verified purchaser
            Response from Tamy WoodwardApr 26, 2021
            Thank you for your purchase of Knauf Insulation. KnaufInsulation
            • Verified Purchase
            • Verified Purchase
            Showing 1-10 of 60 reviews