JM ComfortTherm R-19 16-in x 48-in Poly-Encapsulated Fiberglass Batt Insulation (96 sq ft)
Regular price $415.20R-19 Poly-Encapsulated Fiberglass Batt Insulation
JM ComfortTherm poly-encapsulated fiberglass batts deliver R-19 thermal performance and sound control for framed wall, floor, and ceiling assemblies. The insulation is wrapped in plastic for a cleaner, less itchy installation while helping improve comfort and energy efficiency.
Key Features:
- Poly-Encapsulated Wrap: Plastic-wrapped batts help reduce dust and itch for a cleaner install
- Thermal Performance (R-19): Helps resist heat transfer to support more consistent indoor comfort
- Sound Control: Helps reduce sound transmission through wall, floor, and ceiling assemblies
- Durable Inorganic Fiberglass: Resists rotting, mildew, and deterioration; noncorrosive to pipes and wiring
- Code/Standard Compliant: ASTM C665 Type II, Class A (ComfortTherm series)
Specifications Table:
| Specification | Details |
|---|---|
| R-Value | R-19 |
| Product form | Batt |
| Insulation type | Fiberglass |
| Encapsulation | Poly-encapsulated (encapsulated) |
| Batt width | 16 in |
| Batt length | 48 in |
| Thickness | 6.5 in |
| Coverage area | 96 sq ft |
| Stud spacing | 16 in |
| Fits 2 x 6 walls | Yes |
| Fits 2 x 4 walls | No |
| For use in walls | Yes |
| For use in floors | Yes |
| For use in ceilings | Yes |
| For use in basements | Yes |
| For use in crawlspaces | Yes |
| Sound barrier | Yes |
| Vapor retardant | Yes |
| Formaldehyde free | Yes |
| ENERGY STAR certified | Yes |
| ASTM standard | ASTM C665 Type II, Class A (Category 1 or 2 depending on variant) |
Frequently Asked Questions (FAQ):
Q: What wall cavities does this insulation fit?
A: This R-19, 16-inch-wide batt is designed for 16-inch stud spacing and is listed as fitting 2x6 walls.
Q: Is it faced or unfaced?
A: It is encapsulated (poly-wrapped) and is listed with a vapor retardant.
Q: Where can I use these batts?
A: They are commonly used in walls and can also be used in floors, ceilings, basements, and crawlspaces (per listed use cases).
Q: Does it contain added formaldehyde?
A: ComfortTherm is described as formaldehyde-free and designed not to off-gas formaldehyde in the indoor environment.
Q: What makes the installation “less itchy”?
A: The fiberglass is wrapped in plastic (poly-encapsulated), which helps minimize direct contact with fibers during handling and installation.
Quiet comfort, beautifully concealed
Think of this as the invisible luxury layer—R-19 performance wrapped in a clean, tailored poly skin that makes installation feel far more refined. It softens a room’s acoustics and steadies the temperature, letting your finishes and furnishings shine without distraction. Use it behind statement millwork, in serene bedroom walls, or between floors where you want calm to travel with you. It’s the kind of behind-the-scenes essential that makes a home feel effortlessly elevated.
Upgrade your comfort and quiet—choose JM ComfortTherm R-19 encapsulated batts for a cleaner install and reliable performance.
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