Owens Corning FOAMGLAS® makes cellular glass insulation, a rigid material formed from sealed glass cells for building and industrial applications. Pittsburgh Corning introduced FOAMGLAS® in 1942; Owens Corning acquired Pittsburgh Corning in 2017, and the insulation is now produced at purpose-built factories in Belgium, the Czech Republic, China, and the United States. The company describes the insulation as made with an average of 50% post-consumer recycled glass.
FM Approved
Euroclass A1
ISO 14021:2016 Self-Declared Recycled Content (SGS INTRON Certificate RC-026/1)
Northwestern Ohio Foam Products, IncEstablished in 1984, Northwestern Ohio Foam Products manufactures high-performance insulation materials at its Ohio plant, using American-made materials in its processes. Its specialties include reflective foil insulation and recycled foam insulation for concrete, and it also fabricates custom foam packaging and laminations.WAUSEON, OH
GlaspheraGlasphera turns 100% recycled, post-consumer glass into lightweight expanded glass sands and granulates for construction and industrial applications. Its vertically integrated manufacturing and U.S.-based application lab support consistent materials and practical guidance, including a demonstrated lightweight concrete blend that reduced unit weight by 25%. The company focuses on giving discarded glass a functional role in more circular building systems.MEDIA, PA
Knauf InsulationKnauf Insulation is a manufacturer of fiberglass insulation products for residential, commercial, industrial, institutional, and OEM applications. The company is known for its Performance+® portfolio, which is Asthma & Allergy Friendly® Certified and made with ECOSE® Technology, a formaldehyde-free binder. Knauf emphasizes sustainability, using recycled materials in its products and aligning with industry certifications like GREENGUARD Gold and Declare.INWOOD, WV
OPCO, IncOPCO, Inc., based in Latrobe, Pennsylvania, manufactures and fabricates rigid foam for packaging and insulation applications. The company says it brings 40 years of rigid-foam expertise to producing OPCORE-branded materials and custom-cut foam products.LATROBE, PA