JM Formaldehyde-free™ premium fiber glass home insulation is the number one choice for insulation installers. Johns Manville Roof and Wall insulation improves indoor air quality because they have a low odor, formaldehyde free, coating. JM Formaldehyde-free™ insulation uses an innovative new acrylic binder that eliminates binder-related formaldehyde emissions during manufacturing.

Whether you want to lower your energy bills, remodel your current home or build a new custom home, Johns Manville insulation shares your goals of creating a comfortable, healthy and energy efficient indoor environment. As your partner in Better Living, we want to provide you with the resources you need to make informed decisions on the products that will improve your home and benefit your family.

Increased Sustainability
JM fiber glass insulation maintains its energy efficiency for the life of the home. That’s why professional builders use JM fiber glass insulation.

More Recycled Content
JM building insulation products are independently tested and certified to contain more post consumer recycled content than any other fiber glass insulation in the US . Independently tested with a minimum of 20% post consumer recycled content. This means JM Insulation is the green choice for your home.

Insulation is one of the smartest investments you can make in your home because it provides year-round comfort and savings in important ways:

Lower energy bills
Insulation keeps your home warmer in the winter, which lowers your heating costs. In the summer, insulation keeps your home cooler, which eases the load on your air conditioner.

Quieter, more comfortable living
Insulation can actually absorb sound, reducing the unwanted internal and external noise from appliances, audio equipment, conversation and other sources of sound that are transmitted through your ceiling, walls and floors.

Healthy home, healthy environment

Reducing your family’s overall formaldehyde exposure can make your home healthier and safer. And using Johns Manville Formaldehyde-free™ fiber glass insulation can help you achieve that reduction. Fiber glass insulation helps prevent the growth of potentially hazardous mold and mildew in your walls, air ducts and ceilings that can result from trapped moisture.