Did You Know?

In addition to being free of formaldehyde, JM ComfortTherm® Batts and Rolls are wrapped in plastic for more comfortable installation with less itch and dust. The plastic facer also acts as a vapor retarder.
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Why JM Formaldehyde-free™ Insulation is Specified More Than Any Other Brand

  • Only Johns Manville offers a complete line of Formaldehyde-free™ fiber glass building insulation, providing better indoor air quality.
  • Outstanding thermal and acoustical performance
  • Healthy, safer buildings
  • Contains more certified post-consumer recycled glass than other fiber glass insulation.
  • Helps maximize LEED® credits

The Solution For Responsible Building

There is growing concern over formaldehyde. Increasingly, state and federal health and environmental agencies as well as architects and sustainable building designers are recommending that exposure to formaldehyde be reduced. In fact, in its comments to the USGBC's LEED-NC v2.2, US EPA recommended that exposure to formaldehyde be minimized as much as possible. This is especially true in healthcare, education, residential and office settings. According to the US EPA and the California EPA, one important reason to minimize formaldehyde exposure is because formaldehyde is recognized by the International Agency for Research on Cancer as Group 1 - known to cause cancer. California EPA has also determined that formaldehyde is a toxic air contaminant often found indoors at levels in excess of health-based guidelines and recommendations.

To promote the health of building occupants, particularly in healthcare, educational, residential and office situations, one obvious way to help minimize formaldehyde exposure is to use JM Formaldehyde-free™ fiber glass insulations to eliminate one source.

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.

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