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