R-13 Thermafiber Fire & Sound Guard Plus Mineral Wool Batts

Professional-grade mineral wool batts deliver R-13 thermal performance with superior fire resistance and sound control for 2x4 interior and exterior wall cavities. Unfaced batts are easy to cut and install around irregularities, expanding to fit snugly for consistent coverage.

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Key Features:

• Thermal & Acoustic Protection: R-13 mineral wool delivers energy efficiency and excellent sound dampening in 2x4 walls
• Fire & Mold Resistance: Non-combustible, moisture-resistant, and mold-resistant mineral wool for safer, durable assemblies
• Easy Fit Installation: Flexible batts cut cleanly with a serrated knife and expand to fill studs for a custom fit
• Coverage Per Bag: 8 pieces cover 39.2 sq. ft.; each batt 3.5 in. x 15 in. x 47 in.
• Unfaced Design: Ideal behind drywall or sheathing without a vapor retarder

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Insulation Type	Mineral Wool Insulation
R-Value	R13
Faced or Unfaced	Unfaced
Roll or Batt	Batt
Number of Pieces	8
Coverage per Bag	39.2 sq. ft.
Product Length	47 in (3.91 ft)
Product Width	15 in
Product Thickness	3.5 in
Compatible Install Surface	Wood, Plywood
Insulation Location	Interior & Exterior 2x4 Wall, Between Walls, Ceilings, Crawlspace
Bag Size	3.91 ft x 15 in x 16 in
Pack Size	1
Product Weight	22.87 lb
Warranty	3 Year Limited Warranty
UPC	047563723564

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Frequently Asked Questions (FAQ):

Q: How many batts are in the bag and what area do they cover?
A: There are 8 unfaced batts per bag, covering 39.2 sq. ft.

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Q: What wall framing is this sized for?
A: Designed for wood stud 2x4 walls with cavities 3.5 in. deep and 15 in. wide.

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Q: Is the insulation fire resistant?
A: Yes, mineral wool is non-combustible and provides fire resistance per ASTM E136.

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Q: Can it be cut to size?
A: Yes, it’s easy to cut with a serrated knife to fit around boxes, pipes, and non-standard cavities.

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Q: Where can it be used?
A: Interior and exterior walls, ceilings, crawlspaces, and basement walls where R-13 is specified.

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Quiet Strength for Modern Walls

These mineral wool batts bring a hushed, cocooning calm to any room while maintaining clean, architectural lines. I love the dense, unfaced profile—it slips neatly into 2x4 cavities and instantly elevates comfort with fire resistance and sound control. Pair it with smooth gypsum boards and matte hardware for a tailored, gallery-like finish. It’s a discreet essential that makes everyday living feel luxuriously serene.

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Upgrade your walls with R-13 Thermafiber batts for quieter, safer comfort—add to cart now.

Warranty

Installation