Owens Corning Thermafiber UltraBatt R-24 (All Sizes) Owens Corning
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Owens Corning Thermafiber UltraBatt R-24 (All Sizes)

SKU: OWCULTBATT-R24-6x16x48-1

Est Delivery between and .

Estimated Delivery Time 7-8 Weeks

Delivery Zone States
1 Alabama, Florida, Georgia, Louisiana, North Carolina, Oklahoma, Tennessee, Texas
2 Kentucky, Maryland, Virginia
3 Connecticut, Iowa, Illinois, Indiana, Kansas, Massachusetts, Michigan, Minnesota, Missouri, North Dakota, Nebraska, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, South Dakota, Wisconsin
4 Arizona, California, Colorado, Idaho, Montana, Oregon, Utah, Washington

Thermafiber UltraBatt mineral wool insulation is designed to provide excellent thermal insulation, fire protection and noise control in residential and light commercial building. The semi-rigid batts are more dense than traditional batts or rolls, and are quick and easy to install. UltraBatt insulation is noncombustible, moisture resistant, noncorrosive, nondeteriorating and mold resistant.

Size Sq Ft/Bag
6" x 16" x 48" 21.3
6" x 24" x 48" 32


  • Energy saving thermal insulation
  • Provides fire resistance
  • Controls sound between floors and walls
  • Minimum 70% recycled content
  • Easy to install
  • Mold resistant

Product Options

  • Standard thicknesses are available with a vapor-retarding foil facing.
  • Available in standard widths for both wood and steel stud framing.
  • Non-standard thicknesses and sizes are available upon special request.


  • Measure & cut: UltraBatt insulation is easy to cut with a serrated knife for custom fitting around electrical boxes, pipes, duct-work, wiring, or between non-standard studs and joist.
  • Squeeze & insert: UltraBatt insulation is flexible and pliable; simply squeeze the sides to compress the insulation and insert into the desired wall.
  • Release & expand: Once in place, UltraBatt insulation naturally expands to fill in the space, creating a snug, custom fit.
Product Length 48"
Product Width 16", 24"
Product Thickness 6"
R-value R24
Sq Ft/Pack 21.3, 32
Batts Per Bag 4
Brand Owens Corning
Fire Rating ASTM C 1338
Flame Spread 25
Material Type Mineral Wool
Product Installation Steel Stud
Product Type Batt

Est Delivery between and .

Delivery will always take place on a weekday (Mon - Fri).
For information on delivery costs and more view our delivery info page.