EcoBatt R-13 Unfaced Fiberglass Batt Insulation, 15 in x 105 in
Knauf Insulation EcoBatt R-13 unfaced fiberglass batts deliver thermal and acoustic performance for walls, floors, and ceilings. Sized 3-1/2 in x 15 in x 105 in to fit 16 in o.c. framing, each bag covers 131.25 sq ft and features lowdust, resilient fibers made with ECOSE technology.
Key Features:
- Thermal Comfort: R-13 batts help improve energy efficiency in 2x4 walls and other cavities.
- Low Dust, Easy Install: Resilient fibers cut cleanly and recover to full thickness for a snug fit.
- Acoustic Control: Reduces sound transmission in interior partitions and floor/ceiling assemblies.
- Sustainable Binder: Made with plantbased ECOSE technology; no added formaldehyde.
- Sized for Speed: 15 in width and 105 in length streamline installation in standard stud bays.
Specifications Table:
| Specification | Details |
| Insulation type | Fiberglass batt |
| Facing | Unfaced |
| R-Value | R-13 |
| Width | 15 in |
| Length | 105 in |
| Thickness | 3-1/2 in |
| Coverage area | 131.25 sq ft |
| Series | X17VAK |
| Use locations | Attic, Basement, Ceiling, Crawlspace, Wall, Floor |
| Quantity in master bag | 15 |
| Item code | R13UNF15105131 |
Frequently Asked Questions (FAQ):
Q: Is this insulation faced or unfaced?
A: Unfaced; vapor retarder is not included.
Q: What framing cavities does it fit?
A: Designed for 2x4 (3-1/2 in) cavities and 15 in wide stud bays (16 in on center).
Q: How much area does one package cover?
A: 131.25 square feet per bag.
Q: Where can it be used?
A: Suitable for walls, floors, ceilings, attics, basements, and crawlspaces as appropriate for R-13 applications.
Q: Does it contain formaldehyde?
A: Manufactured with ECOSE technology, a plantbased binder with no added formaldehyde.
Quiet, Cozy, Effortless Performance
EcoBatt R-13 slips into a space like a tailored layer, softening the echo and sealing in comfort. Its unfaced profile and resilient fibers create a clean, seamless look behind the walls. Pair it with crisp gypsum board and streamlined trim for a refined envelope that feels both quiet and composed. Its a discreet luxuryperformance you feel every day without ever seeing it.
Upgrade your walls with EcoBatt R-13 today for quieter rooms and yearround comfort in one easy install.
