R-49 Unfaced Attic Insulation 13.5 in. x 24 in. x 48 in. Batts (48 sq ft/bag)


Typical for attic space application. 6 pieces per bag.

SKU: U4924 Category:


Unfaced R-49 insulation batts are ideal for insulating attic spaces.  We proudly sell Johns Manville Formaldehyde-Free fiber glass insulation that is enhanced with a bio-based binder.  This product is not only the highest quality batt insulation but it is also made of mostly recycled glass and the plant based binder is formaldehyde free and has no harsh acrylics, dyes, or unnecessary fire retardants added.  Our batts will give you the highest insulating and acoustical qualities and are made in the most sustainable and environmentally friendly way possible.  Ideal for moisture control in exterior walls, Johns Manville Kraft-faced thermal and acoustical insulation offers R-values ranging from R-11 to R-49.

Additional information

Dimensions 48 × 16 × 13 in
Square Feet (per bag)

Price per Square Foot


Number of pieces per bag



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