Internet #205972546

Model # RXCB551525

0774783472209

ROCKWOOL

R-23 ComfortBatt Fire Resistant Stone Wool Insulation Batt 15 in. x 47 in. (12-Bags)

  • Maintains R-Value year after year
  • Fire Resistant & Water Repellent
  • Ease of Installation - Cuts Easily & Friction Fits
$ 627 00 /pallet
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Frequently Bought Together

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Product Overview

  • Maintains R-Value year after year
  • Fire Resistant & Water Repellent
  • Ease of Installation - Cuts Easily & Friction Fits
ROCKWOOL COMFORTBATT is a semi-rigid stone wool batt insulation for exterior wood and steel stud applications in both new construction and renovations. It features a unique flexible edge designed to compress as the batt is inserted then spring back, expanding the batt against the frame studs to give a complete fill. This flexibility ensures the expected R-value is achieved and maintained. Non-combustible and fire resistant, COMFORTBATT will not develop toxic smoke or promote flame spread, even when exposed directly to a fire. It is also offers water and moisture resistance and excellent sound absorbency. COMFORTBATT is an effective way to improve a home's energy efficiency. It is GREENGUARD Gold Certified and contributes to a healthier indoor environment.
  • Fire resistant due to its high melting temperature of 1177°C (2150°F)
  • Excellent sound absorbency
  • Bag coverage: 39.8 sq. ft.
  • Water and moisture resistant; does not absorb moisture to maintain insulating value
  • Easily cut
  • Does not rot or promote growth of fungi or mildew
  • GreenGuard gold certified for indoor air quality
  • Made from natural rock
  • 12 bags included on a pallet
  • Click here to learn more about Eco Options and Energy Efficiency
  • Buying guide and insulation calculator:

    insulation buying guide
    Insulation calculator button
    "

Product Overview

  • Maintains R-Value year after year
  • Fire Resistant & Water Repellent
  • Ease of Installation - Cuts Easily & Friction Fits
Model #: RXCB551525
Internet #: 205972546

ROCKWOOL COMFORTBATT is a semi-rigid stone wool batt insulation for exterior wood and steel stud applications in both new construction and renovations. It features a unique flexible edge designed to compress as the batt is inserted then spring back, expanding the batt against the frame studs to give a complete fill. This flexibility ensures the expected R-value is achieved and maintained. Non-combustible and fire resistant, COMFORTBATT will not develop toxic smoke or promote flame spread, even when exposed directly to a fire. It is also offers water and moisture resistance and excellent sound absorbency. COMFORTBATT is an effective way to improve a home's energy efficiency. It is GREENGUARD Gold Certified and contributes to a healthier indoor environment.

  • Fire resistant due to its high melting temperature of 1177°C (2150°F)
  • Excellent sound absorbency
  • Bag coverage: 39.8 sq. ft.
  • Water and moisture resistant; does not absorb moisture to maintain insulating value
  • Easily cut
  • Does not rot or promote growth of fungi or mildew
  • GreenGuard gold certified for indoor air quality
  • Made from natural rock
  • 12 bags included on a pallet
  • Click here to learn more about Eco Options and Energy Efficiency
  • Buying guide and insulation calculator:

    insulation buying guide
    Insulation calculator button
    "

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.

Key Features

Product Overview
Key Features
  • Maintains R-Value year after year
  • Fire Resistant & Water Repellent
  • Ease of Installation - Cuts Easily & Friction Fits
ROCKWOOL COMFORTBATT is a semi-rigid stone wool batt insulation for exterior wood and steel stud applications in both new construction and renovations. It features a unique flexible edge designed to compress as the batt is inserted then spring back, expanding the batt against the frame studs to give a complete fill. This flexibility ensures the expected R-value is achieved and maintained. Non-combustible and fire resistant, COMFORTBATT will not develop toxic smoke or promote flame spread, even when exposed directly to a fire. It is also offers water and moisture resistance and excellent sound absorbency. COMFORTBATT is an effective way to improve a home's energy efficiency. It is GREENGUARD Gold Certified and contributes to a healthier indoor environment.
  • Fire resistant due to its high melting temperature of 1177°C (2150°F)
  • Excellent sound absorbency
  • Bag coverage: 39.8 sq. ft.
  • Water and moisture resistant; does not absorb moisture to maintain insulating value
  • Easily cut
  • Does not rot or promote growth of fungi or mildew
  • GreenGuard gold certified for indoor air quality
  • Made from natural rock
  • 12 bags included on a pallet
  • Click here to learn more about Eco Options and Energy Efficiency
  • Buying guide and insulation calculator:

    insulation buying guide
    Insulation calculator button
    "

Product Overview

  • Maintains R-Value year after year
  • Fire Resistant & Water Repellent
  • Ease of Installation - Cuts Easily & Friction Fits
Model #: RXCB551525
Internet #: 205972546

ROCKWOOL COMFORTBATT is a semi-rigid stone wool batt insulation for exterior wood and steel stud applications in both new construction and renovations. It features a unique flexible edge designed to compress as the batt is inserted then spring back, expanding the batt against the frame studs to give a complete fill. This flexibility ensures the expected R-value is achieved and maintained. Non-combustible and fire resistant, COMFORTBATT will not develop toxic smoke or promote flame spread, even when exposed directly to a fire. It is also offers water and moisture resistance and excellent sound absorbency. COMFORTBATT is an effective way to improve a home's energy efficiency. It is GREENGUARD Gold Certified and contributes to a healthier indoor environment.

  • Fire resistant due to its high melting temperature of 1177°C (2150°F)
  • Excellent sound absorbency
  • Bag coverage: 39.8 sq. ft.
  • Water and moisture resistant; does not absorb moisture to maintain insulating value
  • Easily cut
  • Does not rot or promote growth of fungi or mildew
  • GreenGuard gold certified for indoor air quality
  • Made from natural rock
  • 12 bags included on a pallet
  • Click here to learn more about Eco Options and Energy Efficiency
  • Buying guide and insulation calculator:

    insulation buying guide
    Insulation calculator button
    "

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.

Compare Similar

Compare Similar Products
Brand ROCKWOOL ROCKWOOL Owens Corning Owens Corning
Name R-23 ComfortBatt Fire Resistant Stone Wool Insulation Batt 15 in. x 47 in. (12-Bags) Safe 'n' Sound 3 in. x 15-1/4 in. x 47 in. Soundproofing Stone Wool Insulation (12-Bags) R-30 Thermafiber UltraBatt Mineral Wool Insulation Batt 23 in. x 47 in. (12-Bags) R-15 15 in. x 47 in. Thermafiber UltraBatt Mineral Wool Insulation (24-Bags)
Price
$627.00 /pallet
$641.58 /pallet
$724.00 /pallet
$865.33
Ratings (488) (428) (1) (0)
Insulation Location 2x6 Wall,Attic,Basement,Ceiling,Crawlspace,Floor 2x4 Wall,Basement,Ceiling,Ceiling,Floor Ceiling,Floor 2x4 Wall,2x4 Wall,Ceiling,Ceiling,Floor,Floor
Roll or Batt Batt Roll Batt Batt
Faced or Unfaced Unfaced Unfaced Unfaced Unfaced
Product Thickness (in.) 5.5 in 3 in 7.1 in 3.5 in
Coverage Area (sq. ft.) 39.8 59.7 7.5 ft² 4.9 ft²
View Product View Product View Product View Product

Specifications

Dimensions

Coverage Area (sq. ft.)
39.8
Product Length (ft.)
3.91 ft
Product Thickness (in.)
5.5 in
Product Width (in.)
47 in

Details

Bag Size
48 ft. x 16 in. x 24 in.
Batt/Roll Size
3.91 ft. x 5.5 in. x 47 in.
Compatible Install Surface
Wood
Coverage Area per Bag (sq. ft.)
39.82
Faced or Unfaced
Unfaced
Insulation Features
Friction Fit
Insulation Location
2x6 Wall,Attic,Basement,Ceiling,Crawlspace,Floor
Insulation R-Value
R23
Insulation Type
Mineral Wool Insulation
Number of Bags
12
Pieces Per Bag
8
Pieces per Pallet
96
Product Weight (lb.)
51.2lb
Returnable
90-Day
Roll or Batt
Batt

Warranty / Certifications

Warranty Information
No

Specifications

Dimensions

Coverage Area (sq. ft.)
39.8
Product Length (ft.)
3.91 ft
Product Thickness (in.)
5.5 in
Product Width (in.)
47 in

Details

Bag Size
48 ft. x 16 in. x 24 in.
Batt/Roll Size
3.91 ft. x 5.5 in. x 47 in.
Compatible Install Surface
Wood
Coverage Area per Bag (sq. ft.)
39.82
Faced or Unfaced
Unfaced
Insulation Features
Friction Fit
Insulation Location
2x6 Wall,Attic,Basement,Ceiling,Crawlspace,Floor
Insulation R-Value
R23
Insulation Type
Mineral Wool Insulation
Number of Bags
12
Pieces Per Bag
8
Pieces per Pallet
96
Product Weight (lb.)
51.2lb
Returnable
90-Day
Roll or Batt
Batt

Warranty / Certifications

Warranty Information
No

Questions & Answers

Im putting this in a crawl space. Beams are 2x6. Do i need some kind of vapor barrier or some kind of air ventilation.

Asked by: HomeProject
No, do not install vapor barrier in crawlspace. You should have adequate ventilation through the foundation vents.
Answered by: HandyJack
Date published: 2018-09-29

can i use this between metal studs?

Asked by: NickyWu
Shouldn’t. It won’t fill the u shaped void in the metal stud, thus leaving large gaps. There is a Rockwool product made specifically for metal framing that is a full “16 or 24” wide so there are no voids. I don’t see this product on HDs website. Maybe you can go to the pro desk and ask. Definitely get the specific “model” number from rockwool’s website and take that with you.
Answered by: rob
Date published: 2019-04-18

Can this be placed peroensular to and over existing /old fiberglass insulation in my attic?

Asked by: Cptab
folks, i read in an earlier Q&A that the stone wool acts as a vapor barrier: "Because of its greater density and water resistant properties, mineral wool acts as a vapor barrier and, unlike fiberglass, does not need an additional vapor barrier to be effective. As mentioned earlier, fiberglass can lose much of its insulating ability when moist." if that's the case i always thought you could not place a vapor barrier product over fiberglass b/c you could be trapping moisture and that will compromise the fiberglass and cause mold.
Answered by: wknddiyer
Date published: 2019-02-28

Can I cut the 5.5" insulation vertically. I will have left over and want to fit in 2x4 walls for...

Can I cut the 5.5" insulation vertically. I will have left over and want to fit in 2x4 walls for sound proofing.
Asked by: buck
Yes, it can be cut in any direction and size. There is a special knife that is excellent for cutting this insulation. It has a serrated 7.5 in long blade, stainless steal and it makes the job so easy. It is only about $12 to $14 and is well worth it. I used to cut insulation with a pair of shears and the knife made the job go very quick compared to using the shears. I had a corner that was only about two inches between stud and next wall. It was easy to cut to size and stuff into the corner. It does create some dust so you will want to ware a dust mask. I did not ware a dust mask and it caused me to cough for about an hour afterwards. I was in a hurry and forgot to buy one and said oh well it is a small job, but if I use this product again, I will for sure use a dust mask. It is not a lot of dust, but even a little causes breathing irritation. This is in my opinion the best insulation on the market for DIY projects.
Answered by: papa
Date published: 2018-09-23
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Customer Reviews

R-23 ComfortBatt Fire Resistant Stone Wool Insulation Batt 15 in. x 47 in. (12-Bags) is rated 4.8 out of 5 by 488.
Rated 5 out of 5 by from I use this for almost all of my insulation needs. Seems to work better, easier to work with and ... I use this for almost all of my insulation needs. Seems to work better, easier to work with and holds up shape and form over time. The one thing though is that even though they only sell it by the pallet (12-bags) mine was shipped to me on 2 pallets (6 bags per pallet). Just make sure that the bed of your truck is at least 6.5' long to fit both in a truck without breaking a pallet down. You will still need to put down the tailgate.
Date published: 2019-07-02
Rated 5 out of 5 by from The best product! I have replaced all of the old 1955 insulation in my home and i am working on the last room right now.I'm using R14 for 2 x 4 application inside my walls.I am so glad that i'm using Roxul as it has already shown to lower my heating bills and the accoustics changed right away.I don't hear much noise outside anymore.It is so easy to install and it's not itchy,i'm cutting the pieces with a bread knife.Thanks guys for a great product!
Date published: 2019-07-10
Rated 5 out of 5 by from Easy to work with. Holds up better. No itchy aftermath to speak of. But best of all you get better insulating against San Joaquin valley heat and mountain cold from snow. We are west facing in the Sierras. 100 to 15 degrees. Excellent product!!!
Date published: 2019-08-03
Rated 5 out of 5 by from This material is the latest evolution of residential insulation. ... This material is the latest evolution of residential insulation. Mice hate it, and unlike pink fiberglass, it won't sag and its "R" factor is very good. It's pricey, but my home is worth it.
Date published: 2019-06-04
Rated 5 out of 5 by from Highly superior to fiberglass insulation. Cut it with a serrated bread knife. It holds it's sha... Highly superior to fiberglass insulation. Cut it with a serrated bread knife. It holds it's shape and goes up quickly. No stapling required. Will not ever go back to fiberglass insulation.
Date published: 2019-07-17
Rated 5 out of 5 by from Great product! A little $$$, but used it in front... Great product! A little $$$, but used it in front areas of new house on busy road for noise control. Works great! Highly recommend.
Date published: 2019-07-16
Rated 5 out of 5 by from Rock wool insulation is much easier to shape and fit... Rock wool insulation is much easier to shape and fit to odd spaces. Looks neat and tidy when done.
Date published: 2019-05-28
Rated 5 out of 5 by from Great ... Great
Date published: 2019-08-13
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