Owens Corning R-23 Thermafiber Fire and Sound Guard Plus 5.5" x 23" x 47"

Regular price $60.89

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R-23 Thermafiber Fire & Sound Guard Plus Mineral Wool Batts

Professional-grade mineral wool batts deliver R-23 thermal performance with exceptional fire resistance and sound control for 2x6 wall cavities. Easy-to-cut, unfaced batts resist moisture, mold, and deterioration, making them ideal for interior and exterior walls, ceilings, and basements.


Key Features:

  • Triple Protection: Thermal R-23, fire resistance, and sound dampening in one product
  • Easy Fit Installation: Semi-rigid, unfaced batts cut cleanly with a serrated knife and expand for a snug fit
  • Durable Mineral Wool: Non-combustible, non-corrosive, and moisture- and mold-resistant
  • Sized for 2x6 Walls: 5.5 in. thickness fits standard 2x6 studs; 23 in. x 47 in. panels
  • Sustainable Choice: Contains 70% recycled content, verified by ICC-ES

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 R23
Product Thickness (in.) 5.5 in
Product Width (in.) 23 in
Product Length (ft.) 3.91 ft
Batt/Roll Size 3.91 ft x 23 in
Number of Pieces 4
Pack Size 1
Cover Area Per Bag (sq. ft.) 37.53 sq ft
Compatible Install Surface Plywood
Insulation Location 2x6 Wall
Product Weight (lb.) 44.72 lb
Bag Size 3.91 ft x 23 in x 19 in
Warranty 3 Year Limited Warranty
Recycled Content 70% recycled content (ICC-ES verified)
Fire Resistance Non-combustible per ASTM E136
Mold Resistance Tested per ASTM C1338

Frequently Asked Questions (FAQ):

Q: How many batts are in a bag and what area does it cover?
A: There are 4 batts per bag, covering approximately 37.53 sq ft.


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


Q: What wall cavity is it designed for?
A: 5.5 in. thickness is sized for 2x6 wall cavities.


Q: Can it be used in moisture-prone areas?
A: Yes. Mineral wool is moisture- and mold-resistant, suitable for basements, bathrooms, and exterior walls.


Q: How do I cut and install it?
A: Measure, mark, and cut with a serrated knife; squeeze and insert into the cavity, allowing it to expand for a snug fit.


Quiet, Fire-Safe Comfort for Modern Walls

This mineral wool batt instantly elevates a room’s comfort—softening acoustics while fortifying against heat and flame. Its semi-rigid form creates crisp, tailored cavities that feel intentionally crafted. Pair it with clean-lined drywall and matte black fixtures to let the serene hush take center stage. A smart, luxe foundation for spaces that demand performance and poise.


Upgrade your walls with R-23 Thermafiber for quieter, safer, energy-smart comfort—add to cart today.

Warranty

Installation

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