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Johns Manville R 13 15-in x 384-in Faced Fiberglass Roll Insulation with Sound Barrier

Johns Manville R 13 15-in x 384-in Faced Fiberglass Roll Insulation with Sound Barrier

Item #: 31116 |  Model #: B1284

4.52 / 5 166 Reviews

R 13 15-in x 384-in Faced 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
Insulation Type Fiberglass
R-Value per Inch 3.71
Maximum R-Value 13
Width (Inches) 15
Length (Inches) 384
Thickness (Inches) 3.5
Package Weight (lbs.) 11.3
Coverage Area (Sq. Feet) 40
Faced/Unfaced Faced
Sound Barrier Yes
For Use in Attics No
For Use in Basements Yes
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 Walls Yes
For Use in Windows No
Fits 2 x 4 Walls Yes
Fits 2 x 6 Walls No
ENERGY STAR Certified Yes
Vapor Retardant Yes
Formaldehyde Free Yes
Warranty None

Product Documentation

Download these helpful files for this product.

  • Warranty Guide
  • Energy Guide

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