Owens Corning R-15 Thermafiber Fire and Sound Guard Plus, 3.5 in x 16 in x 48 in (24 Packs)
SKU: 63508768885

Owens Corning R-15 Thermafiber Fire and Sound Guard Plus, 3.5 in x 16 in x 48 in (24 Packs)

Sale price$794.32 Regular price$882.58
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

Owens Corning R-15 Thermafiber Fire and Sound Guard Plus, 3.5 in x 16 in x 48 in (24 Packs)R 15 Thermafiber Fire & Sound Guard Plus Mineral Wool Batts (3. 5 x 16 x 48, 24 Packs) Owens Corning Thermafiber Fire & Sound Guard Plus delivers R 15 thermal performance with exceptional fire resistance and sound control. These 3. 5 in mineral wool batts fit 16 in on center framing and are ideal for interior and exterior walls in residential or light commercial projects. Key Features: Thermal + Acoustic Performance: R 15 mineral wool reduces heat

R-15 Thermafiber Fire & Sound Guard Plus Mineral Wool Batts (3.5 x 16 x 48, 24 Packs)

Owens Corning Thermafiber Fire & Sound Guard Plus delivers R-15 thermal performance with exceptional fire resistance and sound control. These 3.5 in mineral wool batts fit 16 in on-center framing and are ideal for interior and exterior walls in residential or light commercial projects.


Key Features:

  • Thermal + Acoustic Performance: R-15 mineral wool reduces heat transfer and dampens sound between rooms.
  • Fire Resistant: Non-combustible insulation enhances fire safety in wall assemblies.
  • Moisture & Mold Resistant: Inorganic fibers resist moisture absorption and mold growth for lasting performance.
  • Easy Installation: Flexible batts cut cleanly and expand for a snug fit around studs and obstacles.
  • Versatile Applications: Suitable for walls, ceilings, basements, and crawl spaces in wood or steel framing.

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
R-Value R15
Material Mineral Wool
Product Type Batt Insulation
Product Thickness 3.5 in
Dimension (this variant) 3.5 in x 16 in x 48 in
Packs per Listing 24 Packs
Standards & Code Compliance NFPA 101, Class A-rated interior finish; ASTM C665; Mineral Fiber Thermal Insulation for Buildings, Type 1 compliant

Frequently Asked Questions (FAQ):

Q: What is the material and R-value?
A: Mineral wool batts rated R-15.


Q: Where can I use these batts?
A: Interior and exterior walls, ceilings, basement walls, and crawl spaces in residential and light commercial projects.


Q: Are they fire resistant?
A: Yes, the mineral wool is non-combustible and contributes to fire-resistant assemblies.


Q: Are they moisture or mold resistant?
A: Yes, the product is moisture-resistant and mold-resistant.


Q: How are they installed?
A: Measure and cut with a serrated knife, compress to insert between studs, then allow to expand for a snug fit.


Quiet Strength for Modern Walls

This mineral wool brings a refined hush to living spaces, wrapping rooms in calm while stabilizing temperature with confident ease. I love the crisp, tailored fit between studs—an invisible layer that elevates the experience of a home. Pair it with smooth gypsum walls and warm wood finishes to let the serenity take center stage. It’s a discreet luxury that feels as good as it performs.


Upgrade your walls with R-15 Thermafiber for quieter, safer, energy-smart comfort—add to cart today.

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: 63508768885

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William LiCalzi
Fort Morgan, US
★★★★★ 4
Fitment is decent
Color: Tan, Size: Passenger side
Overall a nice replacement color matched but the fitment was a little loose even though tightened well, where the end comes toward the top of the pillar it is loose and doesn't fit flush
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 1, 2023
D
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dan w
West Palm Beach, US
★★★★★ 5
thank you
Color: Tan, Size: Driver side
installed today fits like a glove
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 22, 2025
E
Verified Purchase
ERNEST SCOTT HENDERSON
Natrona Heights, US
★★★★★ 2
Handle broke and had to reorder.
Color: Tan, Size: Driver side
The quality is not strong enough. Will not t recommend to others.
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Reviewed in the United States on December 13, 2024
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Barry B
Port Orchard, US
★★★★★ 5
Perfect fit
Color: Tan, Size: Driver side
After years of tugging on the grab handle it finally broke. This was a great replacement at a great price.
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Reviewed in the United States on October 16, 2024
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yoyi
West Palm Beach, US
★★★★★ 5
True pruduct! Like Magic!
Size: 4 oz Kit, Size: 4 oz Kit
Like magic!! Ived tried so many pruduct, specialy those lies on tick tock products, nothing but fakes. But this one is aswome and does what it says it does. Proof with pics attached. I have washe my car bith brush and has not fade or washed off. I only used 1 pass and looks like new! Worth every penny!!
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Reviewed in the United States on May 2, 2026

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