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ROCKWOOL AFB Mineral Wool Batt Insulation, Unfaced, 3-1/2 in x 24 in x 48 in (64 sq-ft)

ROCKWOOL AFB Mineral Wool Batt Insulation, Unfaced, 3-1/2 in x 24 in x 48 in (64 sq-ft)

Unfaced Mineral Wool Batt Insulation (64 sq-ft)

ROCKWOOL AFB® mineral wool batts are lightweight, semi-rigid insulation designed for interior wall, floor, and ceiling assemblies in steel or wood stud construction. The stone wool construction helps provide fire resistance, sound absorption, and long-lasting durability in commercial and industrial applications.


Key Features:

  • Acoustical + Fire Performance: Designed to combine sound absorption with fire resistance for higher-performing interior assemblies.
  • Unfaced Semi-Rigid Batts: Friction-fit batts are easy to place between studs without a facing layer.
  • Commercial/Industrial Applications: Intended for steel stud interior walls, floors, and hot service applications.
  • Moisture & Corrosion Resistance: Mineral wool construction resists corrosion and supports durability in demanding environments.
  • High-Temperature Capability: Rated for service temperatures up to 1200°F.

Specifications Table:

Specification Details
Brand ROCKWOOL®
Sub-brand AFB®
Product type Mineral wool batt insulation
Facing type Unfaced
Thickness 3-1/2 in
Width 24 in
Length 48 in
Coverage area 64 sq-ft
Installation type Ceiling, Floor, Wall
Application For use in commercial/industrial, steel stud interior wall, floor and hot service applications
Material Mineral wool (stone wool / natural stone)
Special features Lightweight, semi-rigid
Resists Corrosion, Fire
Flame spread index 0
Smoke developed index 0
Temperature rating 1200°F
Density >2.2 pcf
Water vapor sorption <1% by weight; <0.02% by volume
Proposition 65 warning California Residents: Proposition 65 Warning (www.P65Warnings.ca.gov)

Frequently Asked Questions (FAQ):

Q: What size and coverage does one unit provide?
A: Each batt measures 3-1/2 in thick x 24 in wide x 48 in long, and the package covers 64 sq-ft.


Q: Is this batt faced or unfaced?
A: It is unfaced mineral wool batt insulation.


Q: Where can this insulation be installed?
A: It’s listed for ceiling, floor, and wall installation, and commonly used in steel stud and wood stud interior wall and floor applications.


Q: How does it perform in a fire?
A: It is listed with a Flame Spread Index of 0 and a Smoke Developed Index of 0.


Q: What temperatures can it handle?
A: It has a temperature rating of up to 1200°F.


Quiet strength, beautifully hidden.

True luxury is the comfort you feel before you ever see it—calm acoustics, confident protection, and a space that simply performs. These semi-rigid mineral wool batts tuck neatly into walls, floors, and ceilings to soften sound and support fire-resistant assemblies without adding visual clutter. Layer them into bedrooms, media rooms, or interior partitions to create a hush that feels intentional and elevated. It’s the kind of behind-the-scenes essential that makes everyday living feel effortlessly refined.


Upgrade your wall and floor assemblies with ROCKWOOL AFB® for durable, fire-resistant, sound-absorbing comfort.

$1,006.86
ROCKWOOL AFB Mineral Wool Batt Insulation, Unfaced, 3-1/2 in x 24 in x 48 in (64 sq-ft)
$1,006.86

Product Information

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Description

Unfaced Mineral Wool Batt Insulation (64 sq-ft)

ROCKWOOL AFB® mineral wool batts are lightweight, semi-rigid insulation designed for interior wall, floor, and ceiling assemblies in steel or wood stud construction. The stone wool construction helps provide fire resistance, sound absorption, and long-lasting durability in commercial and industrial applications.


Key Features:

  • Acoustical + Fire Performance: Designed to combine sound absorption with fire resistance for higher-performing interior assemblies.
  • Unfaced Semi-Rigid Batts: Friction-fit batts are easy to place between studs without a facing layer.
  • Commercial/Industrial Applications: Intended for steel stud interior walls, floors, and hot service applications.
  • Moisture & Corrosion Resistance: Mineral wool construction resists corrosion and supports durability in demanding environments.
  • High-Temperature Capability: Rated for service temperatures up to 1200°F.

Specifications Table:

Specification Details
Brand ROCKWOOL®
Sub-brand AFB®
Product type Mineral wool batt insulation
Facing type Unfaced
Thickness 3-1/2 in
Width 24 in
Length 48 in
Coverage area 64 sq-ft
Installation type Ceiling, Floor, Wall
Application For use in commercial/industrial, steel stud interior wall, floor and hot service applications
Material Mineral wool (stone wool / natural stone)
Special features Lightweight, semi-rigid
Resists Corrosion, Fire
Flame spread index 0
Smoke developed index 0
Temperature rating 1200°F
Density >2.2 pcf
Water vapor sorption <1% by weight; <0.02% by volume
Proposition 65 warning California Residents: Proposition 65 Warning (www.P65Warnings.ca.gov)

Frequently Asked Questions (FAQ):

Q: What size and coverage does one unit provide?
A: Each batt measures 3-1/2 in thick x 24 in wide x 48 in long, and the package covers 64 sq-ft.


Q: Is this batt faced or unfaced?
A: It is unfaced mineral wool batt insulation.


Q: Where can this insulation be installed?
A: It’s listed for ceiling, floor, and wall installation, and commonly used in steel stud and wood stud interior wall and floor applications.


Q: How does it perform in a fire?
A: It is listed with a Flame Spread Index of 0 and a Smoke Developed Index of 0.


Q: What temperatures can it handle?
A: It has a temperature rating of up to 1200°F.


Quiet strength, beautifully hidden.

True luxury is the comfort you feel before you ever see it—calm acoustics, confident protection, and a space that simply performs. These semi-rigid mineral wool batts tuck neatly into walls, floors, and ceilings to soften sound and support fire-resistant assemblies without adding visual clutter. Layer them into bedrooms, media rooms, or interior partitions to create a hush that feels intentional and elevated. It’s the kind of behind-the-scenes essential that makes everyday living feel effortlessly refined.


Upgrade your wall and floor assemblies with ROCKWOOL AFB® for durable, fire-resistant, sound-absorbing comfort.

ROCKWOOL AFB Mineral Wool Batt Insulation, Unfaced, 3-1/2 in x 24 in x 48 in (64 sq-ft) | Super Arbor