23-Inch X 70-Inch R-11 Kraft Faced Fiberglass Insulation
- Mfg.#
- KR42TAK
- Sku#
- 3618386
- Preferred by professional installers concerned with quality, appearance and productivity
- Excellent acoustical properties reduce sound transmission in the home when properly installed in partition walls and ceiling and floor systems
- Highly resilient insulation recovers quickly to full thickness for a snug fit and superior finished aesthetics
- Consistent quality materials made of resilient fibers cut easily, install fast with low dust
- Durable facing resists tears and is marked in 1 ft increments for faster field fabrication
* Estimated stock levels as of Fri, Feb 27, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
Knauf insulation EcoRoll® glass mineral wool insulation made with Ecose® technology contains a high concentration of one of the world most abundant resources - sand and at least 60% post-consumer recycled bottle glass bonded with Ecose® technology. Knauf insulation Ecose® technology assures that no phenol, no formaldehyde, no acrylics or artificial colors are used to manufacture EcoRoll® insulation. the consistent quality, low dust and easy cutting resilient fiber make EcoRoll® the preferred choice.
Specifications
General
| Facing | Faced |
|---|---|
| Rating | R-11 |
| Type | Roll |
Dimensions
| Length | 70 Ft 6 In |
|---|---|
| Square Feet | 135.12 sq-ft |
| Thickness | 3-1/2 in |
| Width | 23 in |
Manufacturing Details
The following information is subject to change without notice
| Manufacturer Warranty | 1 year limited warranty |
|---|---|
| Shop USA | Yes |
Related Documents
Brochure (PDF)
Msds (PDF)
Warranty (PDF)
Installation Guide (PDF)