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
Fiberglass Document Library
Access the JM Fiberglass product document library for data sheets, safety data sheets (SDS), literature and more.
Tech Connect
TechConnect is JM’s team of insulation experts here to make your job easier. With FREE online, oncall and onsite service available wherever you are, the information you need is always nearby. 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
The Source is where we house the latest Insulation Intel® on industry trends, insights, and continuing education opportunities. 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.
This voluntary program promotes the performance of home insulation materials, upholds industry standards, and showcases brands, like JM, that provide high-quality products.
Johns Manville Corbond® Spray Foam applicator certification
Insulating One of the Largest Residential Projects in Seattle
An insulation contractor overcomes challenging logistics to successfully complete one of the largest residential projects in Seattle’s history.
Solid Relationships Keep Projects Running Smoothly
Collaboration between insulation contractor, independent distributor and JM makes apartment complex project possible.
Sound Insulation Makes a ‘Noisy’ Business Quieter
Canadian music studio uses JM insulation as part of its solution for acoustic isolation, providing quiet spaces for students to learn and keeping neighbors happy.
Home Building Made Simpler
A Canadian builder relies on Johns Manville insulation for its Ready To Move homes business. Using reliable products like JM fiberglass helps make the building process seamless.
Squeaky Clean: Car Washes Turn to JM Insulation
A group of new car washes in the Las Vegas area needed excellent thermal insulation. Johns Manville polyiso and fiberglass batts fit the bill.
VISION House Tucson
JM Product Trifecta Results in a Stylish, Affordable, Net-Zero Energy Home.
The Sleeper House
Architectural landmark receives an energy efficiency facelift.
Inflation Reduction Act
Proper insulation is essential in creating an efficient and comfortable home. The good news is that through the Inflation Reduction Act, there are tax credits for both new homes and upgrades to existing homes, and those tax credits can benefit everyone including contractors.
Title 24 Resource Page
With the broadest product offering in the insulation industry and more than 160 years of experience, Johns Manville is your expert building partner. Our building science knowledge and network of skilled contractors can help you meet or exceed new Title 24 requirements, providing more comfortable and energy efficient homes.
