
Johns Manville Mineral Wool Sound Attenuation Fire Batt (SAFB) Insulation, 2 in x 16 in x 48 in, 106.66 Sq Ft Bag
Mineral Wool SAFB Sound & Fire Batt Insulation
High-density mineral wool batts engineered for sound control and fire resistance in wall and ceiling assemblies. Made from basalt-derived inorganic fibers, these unfaced batts are non-combustible, moisture-resistant, and durable for long-term performance.
Key Features:
- Sound Control: Improves wall STC ratings by up to 10 dB for quieter interiors
- Fire Resistance: Non‑combustible with melting point over 2000°F; Flame Spread 0 / Smoke Developed 0
- Moisture & Mold Resistant: Inorganic fibers won’t mildew, deteriorate, or support corrosion
- Unfaced Batts: Easy to cut and fit in standard 16 in stud cavities
- Quality Construction: Advanced manufacturing yields high fiber density and low shot content
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Thickness | 2" |
| Dimensions | 16" x 48" |
| Coverage per bag | 106.66 Sq. Ft. |
| Type | Unfaced mineral wool batt |
| Material | Inorganic fibers derived from basalt (mineral wool) |
| Sound performance | Improves wall assembly STC ratings by up to 10 dB |
| Fire performance | Melting point >2000°F (1093°C); Flame Spread 0 / Smoke Developed 0 |
| Moisture/Microbial | Inorganic, non‑deteriorating; will not mildew or support corrosion; no growth of fungi; does not sustain vermin |
| Applicable standards | ASTM C1104; ASTM C1304; ASTM C1338; ASTM C518; ASTM C665; ASTM E136; ASTM E84; CAN4‑S114‑M; ASTM C423; International Building Code; UL 723, CAN/ULC‑S102‑M, 0/0; UL GREENGUARD Certified |
| Style | Roofing/Building Insulation |
| Manufacturer number | MW216 |
| Product number | JMC2MW1648 |
Frequently Asked Questions (FAQ):
Q: Is this insulation faced or unfaced?
A: It is an unfaced mineral wool batt.
Q: What are the dimensions of each batt?
A: Each batt is 2 in thick and sized 16 in x 48 in.
Q: How much coverage is in a bag?
A: 106.66 square feet per bag.
Q: Where is it typically used?
A: In interior walls and ceilings to enhance sound attenuation and provide fire resistance.
Q: Does it meet building and safety standards?
A: Yes—tested to ASTM standards, International Building Code, UL 723/CAN/ULC‑S102, and is GREENGUARD certified.
Quiet Strength with Sculptural Simplicity
These mineral wool batts invite serenity into a space, softening the soundscape while standing guard with unwavering fire resistance. Their unfaced, tactile surface feels thoughtfully utilitarian—a beautiful underpinning to refined interiors. Use them behind rich paneling or plaster to luxuriously hush busy rooms. A discreet essential that elevates comfort and safety in modern living.
Upgrade your walls with SAFB mineral wool batts for quieter, safer rooms—add to cart today.
Original: $54.62
-70%$54.62
$16.39Product Information
Product Information
Shipping & Returns
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Description
Mineral Wool SAFB Sound & Fire Batt Insulation
High-density mineral wool batts engineered for sound control and fire resistance in wall and ceiling assemblies. Made from basalt-derived inorganic fibers, these unfaced batts are non-combustible, moisture-resistant, and durable for long-term performance.
Key Features:
- Sound Control: Improves wall STC ratings by up to 10 dB for quieter interiors
- Fire Resistance: Non‑combustible with melting point over 2000°F; Flame Spread 0 / Smoke Developed 0
- Moisture & Mold Resistant: Inorganic fibers won’t mildew, deteriorate, or support corrosion
- Unfaced Batts: Easy to cut and fit in standard 16 in stud cavities
- Quality Construction: Advanced manufacturing yields high fiber density and low shot content
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Thickness | 2" |
| Dimensions | 16" x 48" |
| Coverage per bag | 106.66 Sq. Ft. |
| Type | Unfaced mineral wool batt |
| Material | Inorganic fibers derived from basalt (mineral wool) |
| Sound performance | Improves wall assembly STC ratings by up to 10 dB |
| Fire performance | Melting point >2000°F (1093°C); Flame Spread 0 / Smoke Developed 0 |
| Moisture/Microbial | Inorganic, non‑deteriorating; will not mildew or support corrosion; no growth of fungi; does not sustain vermin |
| Applicable standards | ASTM C1104; ASTM C1304; ASTM C1338; ASTM C518; ASTM C665; ASTM E136; ASTM E84; CAN4‑S114‑M; ASTM C423; International Building Code; UL 723, CAN/ULC‑S102‑M, 0/0; UL GREENGUARD Certified |
| Style | Roofing/Building Insulation |
| Manufacturer number | MW216 |
| Product number | JMC2MW1648 |
Frequently Asked Questions (FAQ):
Q: Is this insulation faced or unfaced?
A: It is an unfaced mineral wool batt.
Q: What are the dimensions of each batt?
A: Each batt is 2 in thick and sized 16 in x 48 in.
Q: How much coverage is in a bag?
A: 106.66 square feet per bag.
Q: Where is it typically used?
A: In interior walls and ceilings to enhance sound attenuation and provide fire resistance.
Q: Does it meet building and safety standards?
A: Yes—tested to ASTM standards, International Building Code, UL 723/CAN/ULC‑S102, and is GREENGUARD certified.
Quiet Strength with Sculptural Simplicity
These mineral wool batts invite serenity into a space, softening the soundscape while standing guard with unwavering fire resistance. Their unfaced, tactile surface feels thoughtfully utilitarian—a beautiful underpinning to refined interiors. Use them behind rich paneling or plaster to luxuriously hush busy rooms. A discreet essential that elevates comfort and safety in modern living.
Upgrade your walls with SAFB mineral wool batts for quieter, safer rooms—add to cart today.






















