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.

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.

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.

Owens-Corning
Manufacturers of Miraflex™, a non-offgassing, less toxic fiberglass in rolls rated R-13 and R-25. Perforated polyethylene wrapped to contain any particulates. Rolls, batts and loose-fill. 30% recycled glass, some from curbside pickup. SCS certified.