Certainteed Sustainable Insulation

Credit: CertainTeed Corporation

What makes this product green?

  • Reduces heating and cooling loads
  • Post-consumer recycled content
  • Biobased and sustainably sourced


CertainTeed’s "Sustainable Insulation" is a fiberglass insulation that uses a bio-based binderGlue used in manufactured wood products, such as medium-density fiberboard (MDF), particleboard, and engineered lumber. Some binders are made with formaldehyde. See urea-formaldehyde binder and methyl diisocyanate (MDI) binder. to hold the fibers together. The fiberglass has 35% recycled glass content (4% post-consumer) in the U.S. and 65–70% (all post-consumer) in Canada. This GreenguardThird-party certification program that identifies building products and materials which produce relatively low levels of emissions. GreenGuard is administered by the nonprofit GreenGuard Environmental Institute (GEI). Other GEI programs include the Children & Schools standard, which addresses emission standards for educational facilities, and the GreenGuard for Building Construction Program, a mold risk-reduction program that certifies the design, construction, and ongoing operations of new multifamily and commercial properties. Children & Schools- and CA 01350-certified, dye-free insulation has a mottled tan color and an R-valueMeasure of resistance to heat flow; the higher the R-value, the lower the heat loss. The inverse of U-factor. of 3.2 per inch. Sustainable Insulation is available unfaced or kraft-faced in thicknesses from 2-1/2 to 10-1/4 inches and widths from 11 to 48 inches. Current availability is limited to parts of the Western U.S. and Canada. The composition of the biobased binder is unknown--it contributes less than 10% of the product's content by weight, so this product has relatively little "rapidly renewable" content.

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Additional Info

Product Attributes

  • Pharos:
  • Pharos2:
  • Post-Consumer Content : 4–70 %


  • California Section 01350
  • UL Greenguard Gold


Manufacturer Information

CertainTeed Corporation
750 E. Swedesford Rd.
P.O. Box 860
Valley Forge, PA 19482
Phone: 610-341-7000
Fax: 610-341-7777
Toll-free: 800-233-8990

Listed in: Blanket Insulation