Lowe's Home Improvement
Johns Manville R13 15-in x 32-ft Fiberglass Roll Insulation with Sound Barrier

Johns Manville R13 15-in x 32-ft Fiberglass Roll Insulation with Sound Barrier

Item #: 31116 |  Model #: B1284

4.51 / 5 186 Reviews

R13 15-in x 32-ft Fiberglass Roll Insulation with Sound Barrier

  • For use in 2x4 wood-framed walls
  • Rolls are designed for long, unobstructed spaces with 16-in on-center stud spacing
  • Facing provides built-in vapor retarder for moisture control
  • Improves energy efficiency and provides sound control
  • JM's bio-based binder is mostly made from rapidly renewable plant-based materials, satisfying increased demand for agriculturally-sourced products
  • JM is a partner of the Seal and Insulate with ENERGY STAR program
  • SCS Recycled Content certification
  • GREENGUARD Gold Certified for office indoor air quality and SCS Certified for home indoor air quality
Series Name N/A
Width (Inches) 15
Length (Feet) 32
Thickness (Inches) 3.5
Package Weight (lbs.) 11.3
Coverage Area (Sq. Feet) 40
Vapor Retardant Yes
Formaldehyde Free Yes
Warranty None
Maximum R-Value 13
R-Value per Inch 3.71
Insulation Type Fiberglass
Fits 2 x 6 Walls No
For Use in Attics No
For Use in Ceilings No
For Use in Crawlspaces No
For Use in Doors No
For Use in Duct No
For Use in Electrical No
For Use in Floors No
For Use in Garage Doors No
For Use in Masonry No
For Use in Plumbing No
For Use in Vents No
For Use in Windows No
ENERGY STAR Certified Yes
Fits 2 x 4 Walls Yes
For Use in Basements Yes
For Use in Walls Yes
Sound Barrier Yes

Product Documentation

Download these helpful files for this product.

  • Warranty Guide
  • Energy Guide

pdf To view these documents, you need Adobe Acrobat Reader. You can download a free copy from the Adobe web site.

Community Q&A
  • Save Item
    Save Item Help
    Save an item to your
    • Lists to collect ideas and plan future projects.
    • Home Profile to organize and store details about your home.
  • Set a Reminder Save Item Help

    Set a Reminder and we'll send you an email when it's time to stock up on items you buy regularly or seasonally, like air filters, fertilizer or mulch. Use notes to record details (quantity, gift recipient, etc.).

  • Go to Your Account