Low Sloped RoofSloped RoofUnconditioned AtticExposed wood framed floorCathedral ceilingInterior wall InsulationCeiling InsulationAttic InsulationWood StudSteel StudFloor InsulationBasem*nt WallWood Frame Construction InsulationExterior Walls Insulation
Comfortbatt®is a stone wool insulation product for use in wood and steel framing in both new residential and commercial builds and renovations. This semi-rigid batt has a unique flexible edge designed to compress as the batt is inserted into walls, attics, ceilings and floor frames.
Now, get all the premium benefits of ROCKWOOL stone wool insulation
in R13, R21, and R38 thermal values.
Where to buy
Download US technical datasheet Download CAN technical datasheet
Download US technical datasheet Download CAN technical datasheet
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ROCKWOOL Comfortbatt® is a semi-rigid stone wool thermal batt insulation for exterior wood and steel stud applications.
It features a unique flexible edge that allows for easy installation and helps prevent over compression to maintain its R-value.
Non-combustible and fire resistant, Comfortbatt® will not develop toxic smoke or promote flame spread, even when exposed directly to a fire. It 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.
Applications
- Exterior Wood and Steel Framed Wall
- Exposed Floors and Crawlspace
- Attic and Cathedral Ceiling
Benefits
 | Stone wool provides excellent noise reduction and sound absorption to help you create quieter, more productive environments. |  | Water resistant, stone wool does not rot or promote the growth of mildew, fungi or mold. |
 | Non-combustible and fire resistant, stone wool works to contain a fire and prevent its spread. |  | Lightweight and easy to install. |
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Specification & sizes
| Compliance | Mineral Fiber Thermal Insulation for Buildings, Type 1 Compliant | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Density | > 2 lb/ft³ (>32 kg/m³) | ||||||||||||
| Dimensions | |||||||||||||
| |||||||||||||
| Reaction to fire | Non-Combustible | ||||||||||||
| Thermal resistance | Varied from R-10-R38 per ASTM C518 | ||||||||||||
| |||||||||||||
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| Wood Stud 16" (406 mm) on center: 15.25" x 47" (387 mm x 1194 mm) |
| Wood Stud 24" (610 mm) on center: 23" x 47" (584 mm x 1194 mm) |
| Steel Stud 16" (406 mm) on center: 16.25" x 48" (413 mm x 1219 mm) |
| Steel Stud 24" (610 mm) on center: 24.25" x 48" (616 mm x 1219 mm) |
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| Wood Stud | Steel Stud |
| R 14 (RSI 2.47) - 3.5" thick (89 mm) | R 10 (RSI 1.76) - 2.5" thick (64 mm) |
| R 22 (RSI 3.87) - 5.5" thick (140 mm) | R 14 (RSI 2.47) - 3.5" thick (89 mm) |
| R 24 (RSI 4.23) - 5.5" thick (140 mm) | R 22.5 (RSI 3.96) - 6" thick (152 mm) |
| R 28 (RSI 4.93) - 7.25" thick (184 mm) | R 24 (RSI 4.23) - 6" thick (152 mm) |
| R 32 (RSI 5.64) - 8" thick (203 mm) |
Product Range
| Item number | Product | Country | R-value | Thickness (inch) | Width (inch) | Length (inch) | Pieces Per Pack | Packs Per Pallet | Square Feet Per Pack | Framing width | Construction |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 294288 | Comfortbatt | USA | 13 | 3.5 | 15.25 | 47 | 12 | 12 | 59.7 | 16" OC | Wood Stud |
| 294291 | Comfortbatt | USA | 13 | 3.5 | 23 | 47 | 8 | 12 | 60.1 | 24" OC | Wood Stud |
| 291367 | Comfortbatt | USA | 15 | 3.5 | 15.25 | 47 | 12 | 12 | 59.7 | 16" OC | Wood Stud |
| 169082 | Comfortbatt | USA | 15 | 3.5 | 23 | 47 | 8 | 12 | 60.1 | 24" OC | Wood Stud |
| 294329 | Comfortbatt | USA | 21 | 5.5 | 15.25 | 47 | 8 | 12 | 39.8 | 16" OC | Wood Stud |
| 294332 | Comfortbatt | USA | 21 | 5.5 | 23 | 47 | 5 | 12 | 37.5 | 24" OC | Wood Stud |
| 291368 | Comfortbatt | USA | 23 | 5.5 | 15.25 | 47 | 8 | 12 | 39.8 | 16" OC | Wood Stud |
| 169094 | Comfortbatt | USA | 23 | 5.5 | 23 | 47 | 5 | 12 | 37.5 | 24" OC | Wood Stud |
| 291369 | Comfortbatt | USA | 30 | 7.25 | 15.25 | 47 | 6 | 12 | 29.9 | 16" OC | Wood Stud |
| 169102 | Comfortbatt | USA | 30 | 7.25 | 23 | 47 | 4 | 12 | 30 | 24" OC | Wood Stud |
| 294337 | Comfortbatt | USA | 38 | 9.5 | 15.25 | 47 | 4 | 12 | 19.9 | 16" OC | Wood Stud |
| 294340 | Comfortbatt | USA | 38 | 9.5 | 23 | 47 | 3 | 12 | 22.5 | 24" OC | Wood Stud |
| 291370 | Comfortbatt | USA | 10 | 2.5 | 16.25 | 48 | 16 | 12 | 86.7 | 16" OC | Steel Stud |
| 291371 | Comfortbatt | USA | 15 | 3.5 | 16.25 | 48 | 12 | 12 | 65 | 16" OC | Steel Stud |
| 169088 | Comfortbatt | USA | 15 | 3.5 | 24.25 | 48 | 8 | 12 | 64.7 | 24" OC | Steel Stud |
| 291372 | Comfortbatt | USA | 24 | 6 | 16.25 | 48 | 8 | 12 | 43.3 | 16" OC | Steel Stud |
| 196275 | Comfortbatt | USA | 24 | 6 | 24.25 | 48 | 5 | 12 | 40.4 | 24" OC | Steel Stud |
| 291373 | Comfortbatt | USA | 30 | 7.25 | 16.25 | 48 | 6 | 12 | 32.5 | 16" OC | Steel Stud |
| 291381 | Comfortbatt | USA | 32 | 8 | 16.25 | 48 | 6 | 12 | 32.5 | 16" OC | Steel Stud |
| 291374 | Comfortbatt | Canada | 14 | 3.5 | 15.25 | 47 | 12 | 12 | 59.7 | 16" OC | Wood Stud |
| 196238 | Comfortbatt | Canada | 14 | 3.5 | 23 | 47 | 8 | 12 | 60.1 | 24" OC | Wood Stud |
| 291375 | Comfortbatt | Canada | 22 | 5.5 | 15.25 | 47 | 8 | 12 | 39.8 | 16" OC | Wood Stud |
| 196260 | Comfortbatt | Canada | 22 | 5.5 | 23 | 47 | 5 | 12 | 37.5 | 24" OC | Wood Stud |
| 291376 | Comfortbatt | Canada | 24 | 5.5 | 15.25 | 47 | 6 | 12 | 29.4 | 16" OC | Wood Stud |
| 196285 | Comfortbatt | Canada | 24 | 5.5 | 22.75 | 47 | 4 | 12 | 29.7 | 24" OC | Wood Stud |
| 291377 | Comfortbatt | Canada | 28 | 7.25 | 15.25 | 47 | 6 | 12 | 29.9 | 16" OC | Wood Stud |
| 196294 | Comfortbatt | Canada | 28 | 7.25 | 23 | 47 | 4 | 12 | 30 | 24" OC | Wood Stud |
| 291378 | Comfortbatt | Canada | 32 | 8 | 15.25 | 47 | 6 | 12 | 29.9 | 16" OC | Wood Stud |
| 217282 | Comfortbatt | Canada | 32 | 8 | 23 | 47 | 4 | 12 | 30 | 24" OC | Wood Stud |
| 291370 | Comfortbatt | Canada | 10 | 2.5 | 16.25 | 48 | 16 | 12 | 86.7 | 16" OC | Steel Stud |
| 291379 | Comfortbatt | Canada | 14 | 3.5 | 16.25 | 48 | 12 | 12 | 65 | 16" OC | Steel Stud |
| 196245 | Comfortbatt | Canada | 14 | 3.5 | 24.25 | 48 | 8 | 12 | 64.7 | 24" OC | Steel Stud |
| 291380 | Comfortbatt | Canada | 22.5 | 6 | 16.25 | 48 | 8 | 12 | 43.3 | 16" OC | Steel Stud |
| 169097 | Comfortbatt | Canada | 22.5 | 6 | 24.25 | 48 | 5 | 12 | 40.4 | 24" OC | Steel Stud |
| 291372 | Comfortbatt | Canada | 24 | 6 | 16.25 | 48 | 8 | 12 | 43.3 | 16" OC | Steel Stud |
| 196275 | Comfortbatt | Canada | 24 | 6 | 24.25 | 48 | 5 | 12 | 40.4 | 24" OC | Steel Stud |
| 291381 | Comfortbatt | Canada | 32 | 8 | 16.25 | 48 | 6 | 12 | 32.5 | 16" OC | Steel Stud |
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Tools, Guides & Downloads
Residential Product Guide USA - EN/SP
Residential Product Guide USA - EN/SP
Our residential product guide offers advice on insulating to save energy, insulating for a quiet home, maximizing comfort, and importance of vapor barriers.
Residential Product Guide Canada - EN/FR
Residential Product Guide Canada - EN/FR
Our residential product guide offers advice on insulating to save energy, insulating for a quiet home, maximizing comfort, and importance of vapor barriers.
COMFORTBATT Exterior Wall Steel Stud Batt Insulation
COMFORTBATT Exterior Wall Steel Stud Batt Insulation
COMFORTBATT® Steel Stud insulation provides significantly better thermal performance compared to standard glass fiber batts. This allows builders to achieve a thermal insulation value of R24 versus R19 - R21 for six-inch steel stud wall cavities.
Comfortbatt Exterior Wall Wood Stud Batt Insulation
Comfortbatt Exterior Wall Wood Stud Batt Insulation
Thermal performance, fire safety, and sound control in one product. Learn more about the full ROCKWOOL Comfortbatt™ product range.
Comfortbatt R-Value Expansion - USA Fact Sheet
Comfortbatt R-Value Expansion - USA Fact Sheet
Now available in the USA, expand your R-value options with Comfortbatt R13, R21 and R38 Thermal Batt Insulation
Mid-Rise Wood Frame Construction Guide
Mid-Rise Wood Frame Construction Guide
Explore 16 different applications including walls, floors and roof assemblies where ROCKWOOL insulation can be used effectively in mid-rise wood construction, as well as the benefits of using stone wool in these assemblies.
Comfortbatt Residential Installation Guide
Comfortbatt Residential Installation Guide
Wood Frame Construction up to 4 storeys - Lightweight Horizontal Cladding
Wood Frame Construction up to 4 storeys - Lightweight Horizontal Cladding
Wood Frame Construction up to 4 storeys - Heavyweight Cladding
Wood Frame Construction up to 4 storeys - Heavyweight Cladding
Comfortbatt Insulation Technical Datasheet - Canada
Comfortbatt Insulation Technical Datasheet - Canada
Comfortbatt Insulation Technical Datasheet - U.S.
Comfortbatt Insulation Technical Datasheet - U.S.
COMFORTBATT Modular Lifestyles Case Study
COMFORTBATT Modular Lifestyles Case Study
AFB COMFORTBATT An American look at Scandinavian Construction Case Study
AFB COMFORTBATT An American look at Scandinavian Construction Case Study
COMFORTBOARD COMFORTBATT Doug Tarry Homes Optimum Basem*nt Wall Case Study
COMFORTBOARD COMFORTBATT Doug Tarry Homes Optimum Basem*nt Wall Case Study
CAVITYROCK Rush Hospital Case Study
CAVITYROCK Rush Hospital Case Study
COMFORTBATT - 072116 GUIDESPEC - English - Canada
COMFORTBATT - 072116 GUIDESPEC - English - Canada
Specifications
COMFORTBATT - 072116 GUIDESPEC - English - United States
COMFORTBATT - 072116 GUIDESPEC - English - United States
Specifications
Contractor Submittal Sheet CA
Contractor Submittal Sheet CA
Contractor Submittal Sheet US
Contractor Submittal Sheet US
Safe Use Instruction Sheet
Safe Use Instruction Sheet
This document is provided by ROCKWOOL to communicate recommended safe handling and use instructions.
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If you have technical questions about products or need support for your project, our technical experts are here to help you.
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