CertainTeed Corp.
Batts and blown-in. 30% recycled content, some from curbside recycling. Batts with polypropylene wrap to contain any particulates. Available in standard unfaced or faced. Insulsafe® and OPTIMA® blown-in insulations contain no toxic binders. LEED eligible.

Knauf Fiberglass
Full line of standard and high-density batts and blankets from R-values of R-11 to R-38. Below OSHA limits for formaldehyde offgassing. Available in standard unfaced or faced with Kraft paper, foil or FSK (Foil-Scrim-Kraft).

Johns Manville
Fiberglass blankets, batts, board and loosefill. Formaldehyde-free, low-emission Grid-SHIELD Rx® batts and rolls. Perforated polyethylene wrapped. 20% to 30% recycled glass. SCS Certified and Environmental Choice Program. R-11 to R-25 batts. LEED eligible.

Ottawa Fibre, Inc.
Fiberglass insulation products from 100% recycled glass. Overall recycled content 60% to 80%. R-value is R-11 to R-38 for American market, R-8 to R-40 for the Canadian market. LEED eligible.

Owens-Corning
Unbonded loosefill fiberglass insulation is an alternative to roll or batt insulation in attics, new construction and retrofit applications. The completely dry system fits into any sized cavity without settling or deteriorating with age and will not contribute to mold growth. It contains no added chemicals and will not combust or corrode. It also has the highest certified recycled glass content in the industry (40%). LEED eligible.