JM’s Unfaced Insulation is a lightweight thermal and acoustical fiber glass insulation made of long, resilient glass fibers bonded with an acrylic thermosetting resin made without formaldehyde. Unfaced Batts are effective when controlling unwanted noise in internal walls and where vapor control is required; a separate vapor retarder can be used.
Application Surfaces
Use Unfaced Batts and Rolls in your home for the appropriate application surfaces listed in the table below. Not all products are used in all applications.