Owens Corning Thermafiber UltraBatt R-15, 3.5 in. x 23 in. x 47 in. (16 Bags)
Regular price $1,099.67Thermafiber UltraBatt R-15 Mineral Wool Insulation, 3.5 x 23 x 47 in
Professional-grade mineral wool batts engineered for thermal, fire, and acoustic performance. Sized at 3.5 x 23 x 47 inches and packaged as 16 bags, they install easily in exterior or interior wall cavities while resisting moisture, mold, and corrosion.
Key Features:
- High Thermal Performance: R-15 mineral wool batts help improve energy efficiency in wall cavities
- Fire Resistant: Non-combustible fibers provide added fire protection for residential and light commercial projects
- Sound Control: Dense semi-rigid construction helps reduce noise transmission between rooms
- Moisture and Mold Resistant: Fibers resist moisture absorption, corrosion, and mold growth for long-term durability
- Easy Installation: Pre-cut 23 in. width fits common stud spacing and semi-rigid form stays in place
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Insulation Type | Mineral wool (Thermafiber UltraBatt) |
| R-Value | R-15 |
| Thickness | 3.5 in |
| Width | 23 in |
| Length | 47 in |
| Package Quantity | 16 bags |
| Application | Exterior and interior walls; residential and light commercial |
| Fire Resistance | Non-combustible mineral wool; meets ASTM standards (per manufacturer literature) |
Frequently Asked Questions (FAQ):
Q: What is the size and R-value of each batt?
A: Each batt is 3.5 in. thick by 23 in. wide by 47 in. long with an R-15 thermal rating.
Q: Is this insulation fire resistant?
A: Yes, the mineral wool fibers are non-combustible and provide enhanced fire resistance.
Q: Where can I use these batts?
A: Ideal for exterior or interior wall cavities in residential and light commercial construction.
Q: Does it resist moisture and mold?
A: Yes, mineral wool resists moisture absorption and is not a food source for mold.
Q: How many bags are included?
A: This listing is for a total of 16 bags.
Tailored Warmth with Acoustic Calm
UltraBatt brings a refined quiet and steady comfort to the home—clean-lined performance behind the walls that lets design sing. I love its dense, mineral composition; it tucks neatly into studs and instantly elevates acoustics. Pair it with richly textured wall finishes to craft spaces that feel hushed and luxe. It’s a discreet essential for polished, high-performance living.
Upgrade your walls with R-15 UltraBatt mineral wool today for quieter, safer, and more energy‑efficient spaces.
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