Low Sloped Roof Sloped Roof Unconditioned Attic Exposed wood framed floor Cathedral ceiling Interior wall Insulation Ceiling Insulation Attic Insulation Wood Stud Steel Stud Floor Insulation Basement Wall Wood Frame Construction Insulation Exterior Walls Insulation

ROCKWOOL Comfortbatt®

Name: Comfortbatt
Brand: Rockwool

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

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Comfortbatt® Thermal Batt Insulation

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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Compliance

Mineral Fiber Thermal Insulation for Buildings, Type 1 Compliant

Density

> 2 lb/ft³ (>32 kg/m³)

Dimensions

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)

Reaction to fire

Non-Combustible

Thermal resistance

Varied from R-10-R38 per ASTM C518

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)

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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)

Country

R-value

Framing width

Construction

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