Fiber Glass Insulation
Johns Manville fiber glass insulation offers trusted performance and proven energy savings. Whether you’re building a new structure or retrofitting an existing building, each of our insulation products is designed, tested and proven to provide maximum thermal and acoustical performance for the life of a building. We manufacture the only complete line of certified Formaldehyde-free™ fiber glass insulation, providing improved indoor air quality by reducing exposure to formaldehyde.
Faced Batts & Rolls
Faced batts and rolls are lightweight, naturally white thermal and acoustical fiber glass made of long, resilient glass fibers.
Unfaced Batts & Rolls
Johns Manville unfaced building insulation is a lightweight, naturally white thermal and acoustical fiber glass.
Climate Pro®
Johns Manville blow-in, loose-fill fiber glass insulation is designed for open attics and hard-to-reach locations like corners, nooks and crannies.
JM Spider® Custom Insulation
JM Spider Custom Insulation features variable thickness levels that can fill 2x4 cavities up to an R-15 thermal rating, 2x6 cavities up to R-23, and six-inch steel stud cavities up to R-25.
Poly-Encapsulated
Johns Manville Poly-Encapsulated insulation is wrapped in plastic for a more comfortable installation with less itch and dust.
Insulation Boards
Johns Manville Insulation Boards are a series of semi-rigid or rigid thermal and acoustical fiber glass insulating boards for custom curtain wall applications.
