This Johns Manville insulation was created for walls and attics to improve energy and acoustic efficiency. You will appreciate the flexible material made of fiberglass without formaldehyde and resistant to fire and mildew. Up to 64 sq. ft. 9.5 x 24 x 48 in. R31. Fiberglass. Great for DYI or Contractors working in new construction, renovation, commercial, industrial and basement restoration.
- Lightweight, thermal and acoustical fiber glass insulation
- Designed for wood/steel framing
- Convenient length for installation and transport