Owens Corning Thermafiber UltraBatt R-30 mineral wool insulation delivers serious thermal protection, fire resistance, and sound control for homes and light commercial spaces. It’s the durable, easy-to-install batts your walls have been begging for—minus the drama.

Key Features & Design

• Energy-saving thermal insulation that helps keep indoor temps stable and bills a little friendlier.
• Provides fire resistance for enhanced safety in living and working spaces.
• Controls sound between floors and walls for a calmer, quieter environment.
• Noncombustible, moisture resistant, noncorrosive, nondeteriorating and mold resistant — built to endure.
• Minimum 70% recycled content contributing to a more sustainable build.
• Easy to install to save time on the job site.
• Mold resistant for long-lasting comfort and peace of mind.
• 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.
• Installation measures 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 joists.
• Squeeze & insert: UltraBatt insulation is flexible and pliable; simply squeeze the sides to compress the insulation and insert it into the desired wall.
• Release & expand: Once in place, UltraBatt insulation naturally expands to fill in space, creating a snug, custom fit.

Product Specifications

• Size 7.1" x 15" x 47" — Sq Ft/Bag 14.7
• Size 7.1" x 23" x 47" — Sq Ft/Bag 22.5

Delivery & Availability

Delivery is available to selected states by zone:

Zone 1: Alabama, Florida, Georgia, Louisiana, North Carolina, Oklahoma, Tennessee, Texas;

Zone 2: Kentucky, Maryland, Virginia;

Zone 3: Connecticut, Iowa, Illinois, Indiana, Kansas, Massachusetts, Michigan, Minnesota, Missouri, North Dakota, Nebraska, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, South Dakota, Wisconsin;

Zone 4: Arizona, California, Colorado, Idaho, Montana, Oregon, Utah, Washington.

Upgrade your walls with UltraBatt R-30—comfort, safety, and a touch of science, all in one friendly batt.