JM (Johns Manville) Whispertone Rigid Fiberglass Acoustical Panel Insulation Board 49 in x 97 in x 1 in (33 sq ft)
Regular price $47.70JM Whispertone rigid fiberglass acoustical insulation board
JM Whispertone Wallboard is a rigid fiberglass panel designed to improve sound control in walls, office interiors, and HVAC equipment. Its smooth-faced, high-density construction offers durable handling, dimensional stability, and resistance to moisture and fungi.
Key Features:
- Acoustical Performance: High noise reduction rating (NRR 0.75) for sound-control panel applications
- Rigid, High-Strength Board: Uniform density and high tensile strength for durability and easier fabrication
- Moisture & Fungi Resistance: Designed to resist moisture, fungi, and puncture damage in demanding environments
- Thermal Capability: Rated up to 250°F for use around HVAC and equipment applications
- Stable, Long-Lasting Build: Resists settling, sagging from vibration, and impact-related damage
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Manufacturer | Johns Manville |
| Brand | JM |
| Product line | Whispertone Wallboard |
| Category | Rigid Board Insulation |
| Material | Fiberglass |
| Panel width | 49 in |
| Panel length | 97 in |
| Thickness | 1 in |
| Coverage area | 33 sq-ft |
| Texture | Smooth |
| Noise reduction rate (NRR) | 0.75 |
| Density | 6 pcf |
| Thermal conductivity | 0.23 Btu-in/hr-sq-ft-deg F |
| Temperature rating | 250 deg F |
| Resists | Fungi; Moisture; Puncture |
| Proposition 65 warning | California Residents: Proposition 65 Warning www.P65Warnings.ca.gov |
Frequently Asked Questions (FAQ):
Q: Is this panel faced or unfaced?
A: The trusted product name lists it as “Unfaced,” but supplementary web data lists “Faced”; confirm the facing requirement before ordering.
Q: What area does one board cover?
A: Each panel covers 33 sq ft.
Q: What is the panel size and thickness?
A: 49 in wide x 97 in long x 1 in thick.
Q: What is the noise reduction rating?
A: NRR is listed as 0.75 in the supplementary specifications.
Q: Where is this product typically used?
A: It’s described for acoustical panel and office interior applications and use in HVAC equipment.
Quiet Luxury, Built Into the Architecture
Think of this rigid acoustical panel as the invisible layer of luxury—where calm becomes part of the room’s structure. The smooth, uniform surface and resilient fiberglass core bring performance without visual noise, ideal for refined offices, studios, and sophisticated HVAC enclosures. Use it behind feature walls, millwork, or ceiling elements to soften reverberation and elevate comfort. It’s the kind of practical indulgence that makes a space feel effortlessly finished.
Add JM Whispertone rigid acoustical wallboard to your build to reduce noise and create a more comfortable, high-performance space.
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