P-JR49

Johns Manville R-49 Fiberglass Insulation Unfaced Batts
Fiberglass
MPN: P-JR49 P-JR49

Out Of Stock

Johns Manville R-49 Fiberglass Insulation Unfaced Batts

JM Unfaced Formaldehyde-free™ fiberglass insulation offers an R-value of 49, as well as effective thermal and noise control.

This unfaced fiberglass insulation comes in pre-cut batts for standard-sized wall cavities and is sold by the Tube (6 pieces per package) or by the sq ft (MSF = 1,000 sq ft).

Looking for master packs? A master pack of this insulation is (4) Tubes.

  • Effective resistance to heat transfer, with R-value R-49
  • Formaldehyde-free: Will not off-gas formaldehyde in the indoor environment
  • Sound Control: Reduces sound transmission through exterior and interior walls, floor and ceiling assemblies
  • Fire-Resistant: Flame Spread of 25 or less and Smoke Developed of 50 or less
  • Resilient Inorganic Glass: No rotting, mildew or deterioration, and noncorrosive to pipes, wiring and metal studs
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