Specialty

When it comes to Original Equipment Manufacturer product capability, Johns Manville offers a variety of specialty solutions to meet your evolving needs. Our broad range of JM insulation products set the industry standard for quality, consistency and performance. In addition, we’ll partner with you to develop innovative solutions that meet your unique application demands and specific industry requirements.

JM maintains a strong network of best-in-class fabrication partners strategically located near our OEM centers across the U.S. This enables more effective service capabilities and collaboration. In addition, we consider the application process in the design and creation of every specialty product. In doing so, we’re able to save you time and money with products that deliver consistent performance during fabrication, installation and end use.

Jump To
Decrabrite™ XG and Decrabrite™ WR XG are white or translucent, Formaldehyde-free™, lightweight, fiberglass blankets. Both are ideal for use in areas requiring semi-transparency for light diffusion, such as skylights, light diffusing and architectural panels.

Johns Manville Decrabrite™ XG and Decrabrite™ WR XG are white-colored, translucent, Formaldehyde-free™, lightweight, fiberglass blankets designed for use in a variety of applications. Both are ideal for use in areas requiring semi-transparency for light diffusion. As a result of its semi-transparency, Decrabrite XG and Decrabrite WR XG are specifically designed for skylights, light diffusing and architectural panels and other applications that require a formaldehyde-free product.

Availability: Canada, United States
Temperature Limit: 350°F
Density: 0.50 or 0.55 pcf (reference data page)
Thickness: 0.5" - 1.125"
GreenGuard: Certified

DecrabriteXG and WRXG
Available Documents

Equipment Spin-Glas® is a rigid fiberglass board. Its glass fibers are highly resilient and resist settling, breakdown and sagging from vibration. The Board provides superior thermal and acoustical performance for a variety of appliance, HVAC and office interior applications.

Johns Manville Equipment Spin-Glas® board is a rigid board manufactured using fine, rotary-process glass fibers bonded with a special thermosetting resin. It provides superior thermal and acoustical performance for a variety of appliance, HVAC and office interior applications and can be manufactured to meet your specific size requirements. In addition, Equipment Spin-Glas glass fibers are highly resilient and resist settling, breakdown and sagging from vibration. They yield to impact and protect facings from puncture and tearing. Equipment Spin-Glas can be firmly bonded to metals, plastic or other materials with commercial adhesives or mechanical fastening devices.

Availability: United States, Canada
Temperature Limit: 350°F (unfaced)
Density: 3.0 - 6.0 pcf
Thickness: 0.625" - 4.0"
Maximum Air Velocity: 5,000 fpm
Recycle Content: 56%

Equip_SG_Board_490x322
Available Documents

Microlite® is a lightweight, fiberglass insulation. Microlite provides superior thermal and acoustical performance in a minimal space making it a dependable solution in many applications including HVAC, office interior, automotive and a variety of specialty applications.

Johns Manville Microlite® fiberglass equipment insulation is a lightweight, highly resilient blanket-type insulation manufactured using flame-attenuated glass fibers bonded with a thermosetting resin. Microlite provides superior thermal and acoustical performance in a minimal space making it a dependable solution in many applications including HVAC, office interior products, automotive and a variety of specialty applications. Microlite has been a trusted solution for Original Equipment Manufacturers and fabricators for more than 30 years. It forms easily around corners and curved or irregular surfaces, is easily cut with a knife, shear or steel rule die and is easy to fabricate.

Availability: United States, Canada
Temperature Limit: 350°F
Density: 0.6 - 3.0 pcf
Thickness: 0.25" - 3.0"
Greenguard: Certified

Microlite_490x322
Available Documents

SG Series Spin-Glas® is a lightweight blanket made from rotary-process glass fibers bonded with a thermosetting resin for use in many diverse Original Equipment Manufacturer applications including transportation, appliance and HVAC - primarily in double-wall applications.

Johns Manville SG Series Spin-Glas® insulation is a lightweight blanket made from rotary-process glass fibers bonded with a thermosetting resin for use in many diverse Original Equipment Manufacturer applications including transportation, appliance, HVAC and specialty—primarily in double-wall applications. SG Series Spin-Glas provides superior thermal and acoustical performance and is available in a wide range of densities and thicknesses to accommodate a variety of space requirements.  

Availability: United States, Canada
Temperature Limit: 350°F
Density: 0.55 - 2.2 pcf
Thickness: 0.5" - 4.0"
GreenGuard: Certified
Recycle Content: 56%

SG-Series-Spin-Glass_490x322
Available Documents

Whispertone® Wallboard is a rigid fiberglas board insulation. The top surface is smooth and uniform in color and can be produced either plain or with a Dura-Glass® mat facing. Whispertone Wallboard is designed for a wide range of acoustical panel, office interior, and HVAC equipment applications.

Johns Manville Whispertone® Wallboard is manufactured using fine, rotary process glass fibers bonded with a thermosetting resin to produce a structurally rigid board insulation. The top surface is smooth and uniform in color and can be produced either plain or with a Dura-Glass® mat facing. Whispertone Wallboard is designed for use in a wide range of acoustical panel and office interior product applications and HVAC equipment. In addition, it is, resilient and resists settling, breakdown, sagging from vibration and damage from impact.

Availability: Canada, United States
Temperature Limit: 250°F
Density: 2.5 - 6.0 pcf
Thickness: 0.46" - 4.0"
Recycle Content: 56%

Whispertone-WB_490x322
Available Documents

Polyisocyanurate foam board designed to insulate rooftop ducts and HVAC equipment

The XSPECT® ISOfoam APF board is a closed-cell polyisocyanurate foam core bonded to a foil facer on both sides. It is a highly versatile insulation that can be used in a variety of mechanical and OEM applications, including rooftop ducts, appliances, HVAC equipment, refrigerated transportation, storage vessels, and railcars.

XSPECT ISOfoam APF board offers one of the highest R-values of any rigid insulation available, making it ideal for both hot and cold applications. The foil facer on the insulation operates as an excellent vapor-retarder, working in tandem with the closed cell foam to contribute to a tightly sealed system. Additionally, the lightweight foam makes it easy to fabricate and install.

R-Value: R-2.7 - R-26
Thickness: 1" - 4"
Sizes: 48"x96", 48"x108", 48"x120"
Facings: Silver/Opaque

Xspect_FoamBoard_490x322
Available Documents