JM ComfortTherm® fiber glass insulation is wrapped in plastic for less itch and dust during installation. The poly-encapsulated thermal and acoustical insulation is available with a vapor-retarder plastic facing or without the vapor retarder for use in hot, humid climates. ComfortTherm comes in pre-cut batts that fit standard wall cavities, and rolls that can be cut to fit any size wall cavity and installed anywhere in buildings.

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