
JM insulated duct products have a difference you can see, feel and hear. And with our Formaldehyde-free™ insulation products, there’s a difference you get only with JM. Not only do you get superior energy efficiency for the life of your home, our products promote better indoor air quality and a healthier indoor environment.
The only naturally white, Formaldehyde-free™ duct wrap that offers quiet comfort and environmental peace of mind for homeowners.
Our Formaldehyde-free™ duct board delivers consistent room-to-room temperatures, reduces noise, protects against mold and lowers energy costs.

Uninsulated metal ducts can let conditioned air change temperature before it gets to the rooms where you live.

Your sheet metal air duct system can carry voices throughout the house. The right insulation can keep things quiet.

Control moisture in your home by using insulation with built-in vapor retarders. We have several to choose from.