# Knauf Insulation R Kraft 23 in. 48 in. Precut Fiberglass Insulation Batts, Cathedral Ceiling- Sound-Reducing USA Made (8-Bags)

**Brand:** [Knauf Insulation](https://shop.coreranger.com/brands/Knauf%20Insulation)
**Price:** $978–$1,335 · in stock
**URL:** https://shop.coreranger.com/product/knauf-insulation-r-kraft-23-in-48-in-precut-fiberglass-insulation-batts-cathedral-ceiling-sound-redu-342449923

## Options

- **Insulation R-Value:** 30, 38
- **Batt/Roll Size:** 4 ft. x 15 in., 4 ft. x 23 in.

## Variants

| Variant | SKU | Price | Stock |
|---|---|---|---|
| 30 / 4 ft. x 15 in. | 691019 | $978 | in stock |
| 30 / 4 ft. x 23 in. | 691002 | $1,080 | in stock |
| 38 / 4 ft. x 23 in. | 691003 | $1,149 | in stock |
| 38 / 4 ft. x 15 in. | 691020 | $1,335 | in stock |

## Specifications

| Spec | Value |
|---|---|
| Bag Size | 4 ft. x 25 in. x 16 in. |
| Fits Size | Other |
| Pack Size | 8 |
| Returnable | 90-Day |
| Roll or Batt | Batt |
| Batt/Roll Size | 4 ft. x 23 in. |
| Insulation Type | Batt |
| Faced or Unfaced | Faced |
| Insulation R-Value | R30 |
| Insulation Features | Condensation Control,Formaldehyde Free,Friction Fit,Mold Resistant,Pre-Cut,Vapor Retardant |
| Insulation Location | Attic,Ceiling Insulation,Floor,Interior Ceiling |
| Product Width (in.) | 23 in |
| Product Length (ft.) | 4 ft |
| Product Weight (lb.) | 47.113 lb |
| Coverage Area (sq. ft.) | 675 sq ft |
| Product Thickness (in.) | 8.25 in |
| Compatible Install Surface | Concrete,Existing Drywall,Metal,Plywood,Wood |

## Description

Knauf R-30 EcoBatt Kraft faced fiberglass insulation with ECOSE technology is a leading sustainable insulation. All of our batts are bonded with the revolutionary, industry-transforming, plant-based ECOSE technology. They are validated by UL Environment as formaldehyde-free, and they contain no Red List chemicals. Made with a high degree of recycled glass, cut easily for faster installation and with low dust and low hassle. Our Kraft facing is durable, resists tears, and is marked in 1 ft. increments to streamline installation. And like every Knauf Insulation roll, EcoBatt is resilient and recovers quickly out of the package for a snug fit. Install Knauf Insulation in your home and stay comfortable-year-round. (Recommended use includes vaulted ceilings and attic spaces. This high density product provides superior noise and thermal control to maintain desired confort levels in your space.)

• R-30 faced fiberglass insulation pre-cut for ceilings & attics
• Provides temp. control, sound absorption and moisture mitigation
• Formaldehyde-free, asthma and allergy friendly certified