SKU: 20940422469

Owens Corning R-30 Thermafiber Fire & Sound Guard Plus Mineral Wool Insulation Batt, 7.125" x 15" x 47" (3-Piece, 14.7 sq. ft.)

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Description

Owens Corning R-30 Thermafiber Fire & Sound Guard Plus Mineral Wool Insulation Batt, 7.125" x 15" x 47" (3-Piece, 14.7 sq. ft.)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. Key Features: High R Value Thermal Performance: R 30 batts help improve energy efficiency without degrading over

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.


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


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)

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.


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.


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


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


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


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.


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

Warranty

Installation

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 20940422469

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Karen E.
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Reviewed in the United States on February 2, 2026
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Yane
Cuba, US
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Son una belleza quedan muy lindas puestas se las recomiendo para las niñas de la casa
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Reviewed in the United States on October 7, 2025
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Flor
San Leandro, US
★★★★★ 5
Comodas
Size: 2 Big Kid, Color: Black/Beige, Size: 2 Big Kid, Color: Black/Beige
Muy cómodas , cojen el estilo q te pongas. Vienen súper reducidas. Tuve q comprarle un #5 a mi niña con 22cm de largo. A pesar de q llegaron con un polvo blanco, parecían usadas, pero en general super
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Reviewed in the United States on July 22, 2025
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Amazon Customer
Cuba, US
★★★★★ 4
Heavy.
Size: 2 Big Kid, Color: Pink/Glitter
They are beautiful, but too heavy to my kid.
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Reviewed in the United States on October 20, 2025
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Shadi-Mie
Port Orchard, US
★★★★★ 5
Runs small
Size: 4 Big Kid, Color: Pearl Yellow
I wish they went past size 4 but cute nonetheless.
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Reviewed in the United States on August 29, 2024

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