Formaldehyde-Free - Will not off-gas formaldehyde in the indoor environment.
Thermal Efficiency - Provides effective resistance to heat transfer with R-values up to R-25.4 (RSI-4.5).
Fire-resistant - Flame spread of 25 or less and Smoke Developed of 50 or less.
Non-corrosive - Does not accelerate corrosion of pipes, wiring or metal studs.
Durable - Unaffected by moisture, oil, grease and most acids. It will not rot, mildew or otherwise deteriorate.
Resilient - Bonded glass fibers will not pull apart during normal applications and resist settling, breakdown and sagging from vibration.
Flexible - Forms readily around corners and curved surfaces.
Explore our Building Insulation tools, education and training programs built specifically to aid you in your professional development.
Insulation Calculator
From attics to basements and kitchens to bedrooms, this insulation calculator tool will help you find the insulation that fits your needs.
Document Library
Discover, save and share the documents you need.
TechConnectSM
Whether you need compliance answers, consultations, spec recommendations, online trainings, technical product assistance or something else, we have a range of services and solutions to keep your job moving.
The Source: Building Insulation Resource Library
This is a resource built specifically to aid you in your professional development. Explore our webinars, compare specs, and follow our blog all right here at The Source.
SmartBinder Resource Library
Your resource for all JM documents in one place.
Where to Buy
Use our insulation locator tool to find JM products near you.
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The Sleeper House
Architectural landmark receives an energy efficiency facelift.
Inflation Reduction Act
Beneficial tax credits for new homes and upgrades.
Title 24 Resource Page
For high performance attics and walls.
Cavity-SHIELD™ Resources
Multi-family, concealed-space, noncombustible fiberglass batts resources.
Continuous Insulation Solutions
Offering optimal performance and efficiency through and through.
Homeowner Insulation
Johns Manville makes insulating your home easy with high-quality products and installation guides.
Spray Foam Resource Page
complete line of spray polyurethane foam (SPF) insulation solutions provides superior thermal energy efficiency, as well as advanced air and sound control.
