R-30 Thermafiber Fire & Sound Guard Plus Mineral Wool Batt

Professional-grade mineral wool batts engineered for superior thermal performance, sound control, and fire resistance in interior or exterior wall assemblies. These unfaced R-30 batts fit 2x8 wood studs, are moisture- and mold-resistant, and are easy to cut for a custom, snug fit.

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Key Features:

• High R-Value Thermal Performance: R-30 batts help improve energy efficiency without degrading over time.
• Fire and Safety Rated: Non-combustible mineral wool provides fire resistance and is non-corrosive and moisture resistant.
• Acoustic Control: Dense fibers reduce sound transmission—ideal for bedrooms, baths, and home theaters.
• Easy, Precise Installation: Unfaced batts cut cleanly with a serrated knife and expand to fill cavities, even around irregularities.
• Sustainable Composition: Contains approximately 70% recycled content (ICC-ES verified).

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Insulation Type	Mineral Wool Insulation
Roll or Batt	Batt
Faced or Unfaced	Unfaced
Insulation R-Value	R-30
Dimensions (each batt)	7.125 in. thick x 15 in. wide x 47 in. long
Number of Pieces	3
Coverage Area per Bag	14.7 sq. ft.
Compatible Install Surface	Plywood, Wood
Insulation Location	Ceiling, Floor; Interior & Exterior Walls
Insulation Features	Fire Block Rated, Fire Resistant, Moisture Retardant, Mold Resistant, Soundproofing
Product Weight	23.57 lb
Batt/Roll Size	3.91 ft. x 15 in.
Bag Size	3.91 ft. x 15 in. x 19 in.
Warranty	3-Year Limited Warranty
Recycled Content	Approximately 70% recycled content (ICC-ES verified)

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Frequently Asked Questions (FAQ):

Q: How much area does one bag cover?
A: Each bag contains 3 batts and covers approximately 14.7 sq. ft.

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Q: What stud depth does this product fit?
A: Designed for 2x8 wood stud walls; each batt is 7.125 in. thick, 15 in. wide, and 47 in. long.

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Q: Is it faced or unfaced?
A: Unfaced mineral wool batts.

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Q: Where can I install it?
A: Suitable for interior and exterior walls, ceilings, basement walls, and floors.

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Q: Does mineral wool resist mold and moisture?
A: Yes. It is moisture-resistant and tested mold-resistant per ASTM C1338.

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Quiet Strength for Elevated Walls

Thermafiber’s dense, sculpted batts bring a refined calm to rooms by taming noise before it reaches your ear. I love the crisp, uniform edges—clean lines that slide into wall cavities and disappear, leaving only performance. Wrap a primary suite or home theater to create a cocoon of serenity, then layer textures and finishes with confidence. It’s a discreet luxury that makes everyday living feel tailored and tranquil.

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Upgrade your walls with R-30 Thermafiber performance—add to cart and create a quieter, safer, more efficient home today.

Warranty

Installation