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Knauf Insulation

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)

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