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Insulation

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Knauf Insulation

24-Inch X 48-Inch R-30 Kraft Faced Fiberglass Batt Insulation

Mfg.#: B17E
Sku#: 3617933

$102.99 /EA

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, ceiling, mid floor, 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 Thu, Mar 5, 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 EcoBatt® insulation are thermal and acoustical products made from highly resilient, inorganic glass fibers bonded by a thermosetting resin. The products are available unfaced and high density (HD) batts are available where optimal thermal performance is required and space for insulation is limited. High-density cathedral ceiling batts, for example, deliver greater R-value in less space, so builders can increase R-values and still maintain adequate space for ventilation.