Formaldehyde-Free Thermafiber® Mineral Wool Insulation

Formaldehyde Free

The first formaldehyde-free mineral wool insulation in North America.


As the first formaldehyde free mineral wool insulation in North America, the new formaldehyde-free Thermafiber® mineral wool insulation solutions represent a breakthrough for architects, specifiers and contractors interested in achieving green building standards.

Thermafiber® SAFB™ FF is available for specification and purchase now. Thermafiber® UltraBatt™ FF will quickly follow in a series of formaldehyde-free Thermafiber® mineral wool insulation solutions unveiled by Owens Corning.

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Thermafiber® SAFB™ FF

Thermafiber® SAFB™ (Sound Attenuation Fire Blankets) Formaldehyde-Free mineral wool insulation is a solution for architects, specifiers, and contractors interested in achieving green building standards and using products that exclude red-list* materials like formaldehyde.


Declare UL Validated GREENGUARD Gold

Cradle to Cradle Material Health Certificate:
Thermafiber® Mineral Wool Insulation - Formaldehyde Free - Unfaced

Thermafiber® UltraBatt™ FF

Thermafiber® UltraBatt™ FF mineral wool insulation is designed to provide excellent thermal insulation, fire resistance and noise control in residential and light commercial construction. The semi-rigid batts are more dense than traditional batts and rolls, and are quick and easy to install.

Product Data Sheet Coming Soon

Everything You Need to Know

Thermafiber® SAFB™ FF is available now both for specification and at distribution, and Thermafiber® UltraBatt™ FF will quickly follow in a series of formaldehyde-free Thermafiber® mineral wool insulation solutions unveiled by Owens Corning.

  • Formaldehyde-Free SAFB™ is available now both for specification and for order through our distribution partners (as of June 30, 2017).
  • Thermafiber® UltraBatt™ FF is available for specification now and will be available at distribution by early 2018.
  • Since the acquisition of Thermafiber, Inc., Owens Corning has continued to invest in production capabilities and product innovation to be a leader in the mineral wool insulation industry.
  • We’ve recognized an opportunity to answer market demand with formaldehyde-free mineral wool solutions and create product innovations that contribute to credits in green building programs.
  • According to the DODGE Data & Analytics World Green Building Trends 20161, the global green building sector continues to double every three years, with survey respondents from 70 countries reporting 60 percent of their projects will be green by 2018.
    1Jones, S. A. (Ed.). (2016). World Green Building Trends 2016 SmartMarket Report. Dodge Data & Analytics, 1-68. Retrieved April 1, 2017, from
  • State-of-the-art manufacturing equipment enables increased capacity.

Yes, we are using industry leading bio-based formaldehyde-free binder technology to make formaldehyde-free mineral wool available for customers.

  • After removing the final red-listed item in our material composition, SAFB™ FF is now UL® Environment validated Formaldehyde-Free and GREENGUARD Gold certified.
  • To help architects and builders meet ever stricter green building standards, SAFB™ FF is also listed in the Declare database as Living Building Challenge Compliant.
  • No, our material is still a high-quality product that is now available formaldehyde-free.
    • High temperature resistance
    • High fire performance that you’ve come to expect
    • Exceptional sound absorption
    • We continue to lead the industry with a minimum of 70% recycled content as verified by ICC-ES.
  • You will notice that the new formaldehyde-free product has a darker brown coloring.
  • Just like the light-density Thermafiber® products you’re used to, the formaldehyde-free products will provide the same performance and can be used in the same applications accordingly.
  • It can also be used in applications that specifically exclude red-listed* items such as formaldehyde or in Living Building Challenge projects requiring products with Declare labels.
    • *Reference Cradle to Cradle Innovation Institution banned list and Living Building Challenge red list.
  • The new formaldehyde-free Thermafiber® light density products are especially appropriate for applications with stringent requirements around indoor air quality including institutions and health care facilities.
  • Yes, formaldehyde-free products will be available on a special order basis initially. We will continue to offer our standard light-density batts until we convert the entire product line.
  • Formaldehyde-free products will have their own unique SKUs.

You will notice a new packaging design for the Formaldehyde-Free products, but there are no changes in the number of pieces per package.

Please contact your local Owens Corning Area Sales Manager for more details.

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