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R-19 Kraft Faced Fiberglass Insulation Roll — 15 in. W x 470.4 in. L
- Mfg.#
- B240
- Sku#
- 4798948
- Thermally Efficient - Effective resistance to heat transfer, with R-values up to R-49.
- Formaldehyde-Free - Will not off-gas formaldehyde in the indoor environment.
- Sound Control - Reduces sound transmission through exterior and interior walls, floor and ceiling assemblies.
- Resilient Inorganic Glass - No rotting, mildew or deterioration. Also noncorrosive to pipes, wiring and metal studs.
- Superior Performance - Stable bonded glass fibers will not slump within the wall cavity, settle or break down during normal applications.
* Estimated stock levels as of Wed, Sep 23, 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
Johns Manville Formaldehyde-Free™ Kraft-faced thermal and acoustical insulation offers R-Values up to R-49, and is offered in precut batts to fit standard wall cavities or rolls for custom installation in any size cavity. Kraft-faced insulation is ideal for moisture control in exterior walls, reduces sound transmission through walls, ceilings and floors, and can be used in a variety of wood-framed, engineered wood and steel frame construction applications, including new construction and retrofit.
Specifications
General
| Facing | Kraft Faced |
|---|---|
| Rating | R-19 |
| Type | Insulation Roll |
Dimensions
| Length | 470.4 in |
|---|---|
| Square Feet | 48.96 |
| Thickness | 6.25 in |
| Width | 15 in |
