Model # RXCB351525

Internet #205972541

ROCKWOOL R-15 ComfortBatt Fire Resistant Stone Wool Insulation Batt 15 in. x 47 in. (12-Bags)
0774783471950

ROCKWOOL

R-15 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
$ 611 99 /pallet(lift)
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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. On-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 growth
  • Water and moisture resistant; does not absorb moisture to maintain insulating value
  • Easily cut
  • Does not rot or promote growth of fungi or mildew
  • Flexible edge springs back, expanding the batt against the frame studs to provide a complete fill
  • GreenGuard gold certified for indoor air quality
  • 12-bags included on a pallet
  • 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 #: RXCB351525
Internet #: 205972541

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. On-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 growth
  • Water and moisture resistant; does not absorb moisture to maintain insulating value
  • Easily cut
  • Does not rot or promote growth of fungi or mildew
  • Flexible edge springs back, expanding the batt against the frame studs to provide a complete fill
  • GreenGuard gold certified for indoor air quality
  • 12-bags included on a pallet
  • Buying guide and insulation calculator:

    insulation buying guide
    Insulation calculator button
    "

Info & Guides

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Customers Also Compared These

Price
$559.98 /pallet(lift)
$611.99 /pallet(lift)
$641.58 /pallet(lift)
$714.93 /pallet(unit load)
Name R-23 ComfortBatt Fire Resistant Stone Wool Insulation Batt 15 in. x 47 in. (12-Bags) R-15 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-15 Thermafiber UltraBatt Mineral Wool Insulation Batt 23 in. x 47 in. (12-Bags)
Brand ROCKWOOL ROCKWOOL ROCKWOOL Owens Corning
Ratings (947) (959) (936) (13)
Insulation Location 2x6 Walls,Attics,Basements,Ceilings,Crawlspaces,Floors 2x4 Walls,Attics,Basements,Ceilings,Crawlspaces,Floors 2x4 Walls,Basements,Ceilings,Ceilings,Floors 2x4 Walls,Ceilings,Floors
Roll or Batt Batt Batt Roll Batt
Faced or Unfaced Unfaced Unfaced Unfaced Unfaced
Product Thickness (in.) 5.5 in 3.5 in 3 in 3.5 in
Coverage Area (sq. ft.) 39.8 59.7 59.7 45 ft²
View Product View Product View Product View Product

Specifications

Dimensions

Coverage Area (sq. ft.)
59.7
Product Length (ft.)
3.91 ft
Product Thickness (in.)
3.5 in
Product Width (in.)
47 in

Details

Faced or Unfaced
Unfaced
Insulation Features
Friction Fit
Insulation Location
2x4 Walls,Attics,Basements,Ceilings,Crawlspaces,Floors
Insulation R-Value
R15
Insulation Type
Mineral Wool Insulation
Number of Bags
12
Pieces Per Bag
12
Product Weight (lb.)
48.9lb
Returnable
90-Day
Roll or Batt
Batt

Warranty / Certifications

Warranty Information
No

Specifications

Dimensions

Coverage Area (sq. ft.)
59.7
Product Length (ft.)
3.91 ft
Product Thickness (in.)
3.5 in
Product Width (in.)
47 in

Details

Faced or Unfaced
Unfaced
Insulation Features
Friction Fit
Insulation Location
2x4 Walls,Attics,Basements,Ceilings,Crawlspaces,Floors
Insulation R-Value
R15
Insulation Type
Mineral Wool Insulation
Number of Bags
12
Pieces Per Bag
12
Product Weight (lb.)
48.9lb
Returnable
90-Day
Roll or Batt
Batt

Warranty / Certifications

Warranty Information
No

Questions & Answers

what should I buy for a vapor barrier in front of Roxul ComfortBats?

fairfax county code for my basement remodel says: A minimum of R-13 battened insulation (with a vapor barrier on the warm side of the wall) should be installed for the full height and length of the basement wall. what should I buy for a vapor barrier in front of Roxul ComfortBats?
Asked by: Dan
Don't use a vapor barrier for below grade installations. The old notion was to put it on the surface facing a conditioned surface. Yes, that does keep moisture from migrating from the room into the wall. But.... the cement wall is itself absorbing moisture from the surrounding earth and then dispensing moisture. And if there's a vapor barrier in place then the moisture gets trapped. There is significant information on this online published by the US government, Fine Homebuilding, Youtube, etc.. When I was finishing my basement the building inspector insisted on the vapor barrier. I then pointed him to the US government website saying that such a barrier was outdated and indeed causing mold problems in the wall. He thanked me and accepted the rationale. Of course you should use a dehumidifier if you have warm humid summer months. And good air movement (air returns for HVAC systems) is helpful as well.
Answered by: BobP
Date published: 2018-12-27

Can I use this ComfortBatt into the wall between bedrooms and bedrooms? I check the specificati...

Can I use this ComfortBatt into the wall between bedrooms and bedrooms? I check the specification this type"comfortBatt" is against the exterior wall and celing. another type "Safe 'n' Sound " from same company is for room and room.
Asked by: Iloveshopping
You could, but the safe and sound would be a better option as you are not needing a R rated product on a inside wall. Use the Safe and Sound for a better option unless you just want to spend more money. Both would work but I think the Safe and Sound is a little less expensive.
Answered by: Bemgolf4
Date published: 2018-12-10

Is there an easy way to cut the ComfortBatt product lengthwise to trim it down to 1 1/2" thick? I...

Is there an easy way to cut the ComfortBatt product lengthwise to trim it down to 1 1/2" thick? I am interested in buying your ComfortBatt product for insulating our walls, however we have only 1 1/2 inches of depth because we are putting the insulation against cinder block walls which have 1 1/2" deep furring strips attached.
Asked by: hellothere
This product is very easy to work with. You can use a 2x4 as a guide and use a serrated knife to cut the length you need. If you are needing to thin a piece out make a cut at the top with grain and pull down slowly like when you pull the non sticky part of a band aid off the sticking part. This is the best way I can describe it. It is way easier that that sounded. Great product to work with.
Answered by: Bemgolf4
Date published: 2018-12-10

do you offer a product with R value and sound absortion capability?

I noticed that the Safe and Sound rock wool has no R value listed. But the Comfortbatt is R15. If they are both made of the same materials how can the difference be so dramatic? I am building a one room music studio that is separate from my house. It is a 10x12 room with 8 foot walls. I need to insulate against the weather and against sound transfer. What do you suggest? Thanks you
Asked by: Kim
Go to their website, they do
Answered by: JMO
Date published: 2018-04-26
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Customer Reviews

R-15 ComfortBatt Fire Resistant Stone Wool Insulation Batt 15 in. x 47 in. (12-Bags) is rated 4.8 out of 5 by 959.
Rated 5 out of 5 by from All good... All good
Date published: 2018-12-18
Rated 5 out of 5 by from I researched this product for some time and finally pulled the trigger to finish a remodel of my ... I researched this product for some time and finally pulled the trigger to finish a remodel of my house.. This product exceeded my expectation, so mush so, that I purchased more to finish other areas of my house. It is very simple to work with and no mask is needed as you are not dealing with flying particles as you cut. The sound blocking effect is top notch. This product is a bit more expensive but I think is well worth the work ability and the sound proofing you get. I would recommend this to a friend, Great product.
Date published: 2018-12-10
Rated 5 out of 5 by from Does what it says. Had to redo an addition on my home, practically no insulation at all originally. Once this added, the room now doesn't lose cooling like it used to and it feels much better on the rare cold spell.
Date published: 2018-11-30
Rated 5 out of 5 by from I WOULD BUT THIS PRODUCE AGAIN Used in a new pump house. worked great and easy to use. Has not froze since.
Date published: 2018-11-25
Rated 4 out of 5 by from Great Product Rockwool Comfortbatt is easy to install & retains it shape overtime. This product is more great for homeowner who live in a humid areas like Houston Texas since Rockwool Comfortbatt is resistant to mold & mildew which limits bacterial growth in your walls.
Date published: 2018-11-14
Rated 4 out of 5 by from Great product. This is a great product. Living in Florida I especially like the fact that it does not rot or promote growth of of fungi or mildew and it is moisture and water resistant.
Date published: 2018-09-15
Rated 4 out of 5 by from Great product. This is a great product. Living in Florida I especially like the fact that it does not rot or promote growth of of fungi or mildew and it is moisture and water resistant.
Date published: 2018-09-15
Rated 5 out of 5 by from The amount of sound reduction is immediately noticed So far, I have bought 5 packages of the comfortbatt to finish my garage and I don't have plans to stop there. I am insulating and finishing our 2 car garage and when just one wall was insulated the noise reduction was already very noticeable! It is easy to cut, easy to install, easy to notice a positive difference! I am already planning on using the safe'n'sound on my next project. The only complaint I have is that for as heavy as the packages are the bags tear too easily trying to load and unload them. But, if that is my worst complaint I think I can manage. Going to enjoy the benefits of this insulation for years to come!
Date published: 2018-07-21
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