ROCKWOOL AFB Unfaced Mineral Wool Batt Insulation 6 in x 24 in x 48 in (40 sq-ft)
Regular price $1,214.24Unfaced mineral wool batt insulation (6 in x 24 in x 48 in)
ROCKWOOL AFB® mineral wool batts are lightweight, semi-rigid acoustical fire batts designed for interior wall and floor assemblies. Unfaced and easy to fit in place, they help improve fire resistance, sound absorption, and long-term durability in commercial/industrial applications.
Key Features:
- Acoustical & Fire-Resistant Batt: Designed to improve sound absorption while supporting fire-resistant assemblies.
- Semi-Rigid Fit: Lightweight mineral wool batt is easy to friction-fit into wall, floor, and ceiling cavities.
- Durable Mineral Wool: Resists corrosion and maintains performance over time.
- High-Temperature Performance: Rated up to 1200°F for demanding applications.
- Unfaced Design: Ideal when a separate vapor retarder/finish assembly is specified.
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Brand | ROCKWOOL® |
| Sub-brand / Series | AFB® |
| Product type | Mineral Wool Batt Insulation |
| Facing type | Unfaced |
| Material | Mineral Wool (Natural Stone) |
| Thickness | 6 in |
| Width | 24 in |
| Length | 48 in |
| Coverage area | 40 sq-ft |
| Installation type | Ceiling, Floor, Wall |
| Application | For use in commercial/industrial; steel stud interior wall, floor and hot service applications |
| Density | >2.2 pcf |
| Additional density information | >2.5 lb/cu-ft Density |
| Temperature rating | 1200°F |
| Flame spread index | 0 |
| Smoke developed index | 0 |
| Resists | Corrosion, Fire |
| Special features | Lightweight, Semi-Rigid |
| Water vapor sorption | <1% by Weight; <0.02% By Volume |
| Manufacturer | ROCKWOOL International A/S |
| Part number | RXAFB624-40 |
Frequently Asked Questions (FAQ):
Q: Where can this batt insulation be installed?
A: It’s listed for ceiling, floor, and wall installation, including steel stud interior wall and floor applications.
Q: Is this insulation faced?
A: No—this product is unfaced.
Q: What area does one package cover?
A: 40 sq-ft per package.
Q: What is it made of?
A: Mineral wool (stone wool).
Q: How fire/smoke resistant is it rated?
A: Flame spread index: 0; smoke developed index: 0 (as listed in the product data).
Quiet luxury, built into the walls
There’s a certain kind of comfort you feel in a space that’s serene, hushed, and quietly resilient—and this mineral wool batt delivers that from the inside out. Its semi-rigid, unfaced form slips neatly into wall and floor cavities, elevating acoustics while reinforcing fire resistance with a material that’s inherently durable. Use it to create bedrooms, studios, or media rooms that feel more cocooned and composed, where sound is softened and the atmosphere reads effortlessly refined. It’s the invisible layer that makes a space feel undeniably elevated.
Upgrade your assemblies with ROCKWOOL AFB® batts for a quieter, more fire-resilient wall and floor system.
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