Thermafiber UltraBatt R-15 Mineral Wool Wall Insulation

Professional-grade mineral wool batts engineered for 2x4 walls deliver R-15 thermal performance with fire and mold resistance. Semi-rigid batts are easy to cut and fit around irregularities, providing 39.2 sq ft of coverage per package for interior or exterior stud walls.

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Key Features:

• R-15 Performance: Ideal for 2x4 wood-stud walls to boost thermal comfort and energy savings
• Mineral Wool Construction: Fire resistant, moisture and mold resistant, and non-corrosive
• Easy to Install: Semi-rigid batts cut cleanly and friction-fit around pipes, wires, and odd spaces
• Unfaced Design: No vapor retarder, suitable where vapor control is handled separately
• Package Coverage: 3.5 in thick x 15 in wide x 47 in long; 8 pieces covering 39.2 sq ft

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Specifications Table:

Specification	Details
Insulation Type	Mineral wool batt
R-Value	R-15
Dimensions (each batt)	3.5 in thick x 15 in wide x 47 in long
Pieces per Pack	8
Coverage Area	39.20 sq ft per package
Facing	Unfaced (no vapor retarder)
Application	Interior and exterior 2x4 wood-stud walls
Fire Resistance	Non-combustible; provides fire resistance
Mold/Moisture Resistance	Moisture- and mold-resistant
Cut/Install	Semi-rigid; easy to cut and friction-fit
Brand	Owens Corning Thermafiber UltraBatt

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Frequently Asked Questions (FAQ):

Q: Is this insulation faced or unfaced?
A: Unfaced; it does not include a vapor retarder.

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Q: What wall framing is it designed for?
A: Sized for 2x4 wood-stud walls at 16 in on center (15 in cavity width).

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Q: How many batts are in a package and what area do they cover?
A: 8 batts per package covering 39.2 square feet.

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Q: Can it help with fire and mold resistance?
A: Yes. Mineral wool is non-combustible, fire resistant, and resistant to moisture and mold.

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Q: Is it easy to cut and fit?
A: Yes. The semi-rigid batts cut easily and friction-fit into stud cavities, including around obstructions.

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Sculpted Warmth with Quiet Confidence

Thermafiber UltraBatt slips into the wall like a tailored suit, bringing a serene hush and cocooning warmth to modern living. Its mineral wool texture adds a refined, architectural rigor—crafted for precision and performance. Use it to elevate bedrooms or media rooms where calm is a luxury, pairing with crisp drywall and natural woods for an effortless finish. Consider it the invisible layer of indulgence that makes a home feel truly composed.

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Upgrade your walls with UltraBatt R-15 today and enjoy quieter, more comfortable rooms with lasting energy savings.