Unfaced mineral wool sound & fire batt insulation

Johns Manville MinWool Sound Attenuation Fire Batts (SAFB) are unfaced mineral wool batts designed to reduce noise in wall and ceiling cavities while providing outstanding fire resistance. Durable, inorganic construction helps resist mold growth and vermin for long-lasting performance.

Key Features:

Sound Absorption: Helps improve wall assembly STC ratings by up to 10 dB for quieter rooms.
Fire Resistance: Melting point exceeds 2000F, with Flame Spread 0 and Smoke Developed 0.
Durable Inorganic Mineral Wool: Does not support fungal growth and will not sustain vermin.
Unfaced Batts for Cavities: Fits standard framing and is suited for interior partitions, exterior walls, and above suspended ceilings.
Convenient Coverage: One bag covers 42.67 sq-ft for efficient takeoffs and installs.

Specifications Table:

Specification	Details
Product name	MinWool Sound Attenuation Fire Batt (SAFB)
Insulation type	Mineral wool batt
Facing	Unfaced
R-value (per inch)	3.7 (ASTM C518, value at 75F)
Thickness	3.5 in
Width	16 in
Length	48 in
Coverage area per package	42.67 sq-ft
Pieces per package	8 pcs
Sound control	Improves wall assembly STC ratings by up to 10 dB
Fire performance	Melting point >2000F (1093C); Flame Spread 0; Smoke Developed 0
Durability	Inorganic; no fungal growth; does not sustain vermin

Frequently Asked Questions (FAQ):

Q: Where is this mineral wool batt typically used?
A: In metal-stud wall cavities of interior partitions and exterior walls, or above suspended ceiling systems for sound control and fire resistance.

Q: Is this batt faced or unfaced?
A: Unfaced.

Q: What is the R-value?
A: Thermal resistance is R-3.7 per inch of thickness (ASTM C518, value at 75F).

Q: How much area does one bag cover?
A: 42.67 sq-ft per package.

Q: Does mineral wool resist mold and pests?
A: Yesits inorganic construction does not support fungal growth and will not sustain vermin.

Silence, SculptedPerformance Insulation With Quiet Luxury

Think of this mineral wool batt as the unseen layer that makes a space feel impeccably composedquieter, calmer, and more refined. Its dense, unfaced profile disappears into walls and ceilings while elevating comfort with serious sound absorption and impressive fire resistance. Use it behind feature walls, media rooms, or between living zones to create that hushed, gallery-like atmosphere. Its the kind of behind-the-scenes essential that turns everyday interiors into truly luxurious living.

Upgrade your walls and ceilings with JM MinWool SAFB for quieter rooms, durable performance, and confident fire resistance.

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