# Owens Corning 15 in. 47 in. R21 Thermafiber Fire and Sound Guard Plus Mineral Wool Insulation Batt — 1

**Brand:** [Owens Corning](https://shop.coreranger.com/brands/Owens%20Corning)
**Pack Size:** 1
**Price:** $65.27 · in stock
**URL:** https://shop.coreranger.com/product/owens-corning-15-in-47-in-r21-thermafiber-fire-and-sound-guard-plus-mineral-wool-insulation-batt-338041613/1
**Parent product:** [Owens Corning 15 in. 47 in. R21 Thermafiber Fire and Sound Guard Plus Mineral Wool Insulation Batt](https://shop.coreranger.com/product/owens-corning-15-in-47-in-r21-thermafiber-fire-and-sound-guard-plus-mineral-wool-insulation-batt-338041613)

## Specifications

| Spec | Value |
|---|---|
| Bag Size | 3.91 ft. x 15 in. x 19 in. |
| Pack Size | 1 |
| Batt/Roll Size | 3.91 ft. x 15 in. |
| Insulation Type | Mineral Wool Insulation |
| Faced or Unfaced | Unfaced |
| Insulation R-Value | R21 |
| Insulation Features | Fire Block Rated,Fire Resistant,Moisture Retardant,Mold Resistant,Soundproofing Insulation |
| Insulation Location | 2x6 Wall,Between Walls,Ceiling Insulation,Crawlspace,Exterior Wall,Interior Wall |
| Product Width (in.) | 15 in |
| Product Length (ft.) | 3.91 ft |
| Product Weight (lb.) | 26.92 lb |
| Coverage Area (sq. ft.) | 29.37 sq ft |
| Product Thickness (in.) | 5.5 in |
| Compatible Install Surface | Plywood,Wood |

## Description

Thermafiber Fire and Sound Guard Plus mineral wool insulation is designed to provide excellent thermal performance, noise control and fire resistance in residential and light commercial construction applications. Fire and Sound Guard Plus can be used in a variety of applications, including interior and exterior walls, ceilings, basement walls, and crawl spaces. It is the first hybrid product that offers thermal, sound and fire protection for both interior and exterior walls; no need for two products to insulate the home. These products are non-combustible, moisture-resistant, non-corrosive, non-deteriorating, and mold-resistant. (Tested per ASTM C1338, Standard Test Method for Determining Fungi Resistance of Insulation Materials and Facings, ASTM International).

• R21 Mineral wool batt for interior/exterior 2x6 wall
• Easy to cut & install, even around construction irregularities
• Fire resistant, mold resistant and non-corrosive