P-JR21

Johns Manville R-21 Fiberglass Insulation Unfaced Batts
Fiberglass
MPN: P-JR21 P-JR21

Out Of Stock

JM Unfaced Formaldehyde-freeā„¢ fiberglass insulation offers an R-value of 21, as well as effective thermal and noise control.

This unfaced fiberglass insulation comes in pre-cut batts for standard-sized wall cavities.

Sold by the Tube (7 pieces per tube) or by the sq ft (MSF = 1,000 sq ft).

Looking for master packs? A master pack of U1321 15"x93" Batts is (5) Tubes. A master pack of U1322 23"x93" Batts or U2105 15"x105" Batts is (4) Tubes.

  • R-21 Insulation for 2 x 6 walls
  • 5-1/2" Thick Unfaced batts without a vapor retarder
  • Ideal for wood stud framing in new construction or remodels
  • Master Pack of U1321 15"x93" = (5) Tubes
  • Master Pack of U1322 23"x93" or U2105 15"x105" = (4) Tubes
  • Size