JM MinWool Sound Attenuation Fire Batt (SAFB) Mineral Wool Batt Insulation, R-3.7, Unfaced, 24 in x 48 in x 1.5 in, 144 sq-ft (MW1524-A)
Regular price $249.54Unfaced mineral wool sound/fire batt insulation (R-3.7)
JM MinWool Sound Attenuation Fire Batt (SAFB) is an unfaced mineral wool batt designed for superior noise control in metal-stud wall cavities and above suspended ceilings. Noncombustible and moisture-resistant, it helps improve wall assembly STC ratings while delivering dependable thermal performance.
Key Features:
- Sound Control Performance: Absorbs sound and can improve wall assembly STC ratings by up to 10 dB.
- Fire-Resistant Design: Noncombustible mineral wool with Flame Spread 0 and Smoke Developed 0 for added peace of mind.
- Moisture & Mold Resistance: Resists moisture and fungi for durability in demanding assemblies.
- Easy to Fit: Lightweight, semi-rigid batts cut and friction-fit into standard cavities for faster installation.
- Unfaced for Flexibility: Ideal when you need a non-faced batt to pair with your chosen vapor/air control strategy.
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Product name | Mineral Wool Batt Insulation |
| Series / style | Sound Attenuation Fire Batt (SAFB) |
| R-value | R-3.7 |
| Facing type | Unfaced |
| Material | Mineral wool (inorganic fiber derived from volcanic rock) |
| Thickness | 1-1/2 in (1.5 in) |
| Width | 24 in |
| Length | 48 in |
| Coverage area | 144 sq ft per bag |
| Pieces per package | 18 pieces per bag |
| Density | 2.5 pcf |
| Installation locations | Ceiling, floor, wall |
| Application | Noise control in metal-stud wall cavities of interior partitions, exterior walls, or above suspended ceiling systems |
| Sound control | Absorbs sound and improves wall assembly STC ratings by up to 10 dB |
| Resists | Fire, fungi, moisture, thermal, vapor |
| Flame spread index | 0 |
| Smoke developed index | 0 |
| Temperature rating | 1200 °F |
| Water vapor sorption | <1% by weight; <0.02% by volume |
| Special features | Lightweight; semi-rigid |
| Color | Beige/Light Yellow/Tan |
Frequently Asked Questions (FAQ):
Q: Where can this batt insulation be used?
A: It’s intended for noise control in metal-stud wall cavities of interior partitions, exterior walls, and above suspended ceiling systems, and can be installed in ceilings, floors, and walls.
Q: Is it fire resistant?
A: Yes—this mineral wool batt is noncombustible with a Flame Spread Index of 0 and Smoke Developed Index of 0.
Q: Does it help with soundproofing?
A: It is designed for sound attenuation and is described as improving wall assembly STC ratings by up to 10 dB (assembly-dependent).
Q: Does it have a facing or vapor barrier?
A: No. This product is unfaced.
Q: How much area does one bag cover?
A: 144 sq ft per bag.
Quiet luxury—built into the bones of the room.
This is the kind of invisible upgrade that makes a space feel instantly more refined—rooms read calmer, more composed, and beautifully protected. The semi-rigid mineral wool batt brings a grounded sense of hush to walls and ceilings while adding serious fire resistance behind the finish. Use it to elevate bedrooms, media rooms, and home offices where serenity is the ultimate luxury. It’s the discreet essential that lets your materials, lighting, and art take center stage—without the noise.
Upgrade your walls and ceilings with JM MinWool SAFB for quieter, safer comfort—add MW1524-A to your build list today.
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