Owens Corning (Ticker: O5Q.DE) manufactures and markets a broad portfolio of insulation, roofing, and fiberglass composite materials for residential, commercial, and industrial applications worldwide. The company offers composite materials, including fiberglass reinforcements for composites, such as Owens Corning AdvanceEX glass fiber reinforcements, sprayup and chop roving products, and woven roving fabrics; and glass reinforcements for commercial and residential building materials, which comprise fiberglass mats used in roofing shingles, siding, and backerboards. Its insulation products include fiberglass building insulation for thermal and acoustical applications, foam insulation products such as closed-cell spray foam and rigid foam boards, and stone wool insulation products for fire, thermal, and acoustical performance; while its roofing products feature laminate shingles, including Duration Shingles, TruDefinition Duration Shingles, and ProEdge hip and ridge shingles, as well as other roofing materials like synthetic slate, metal roofing accessories, and leak protection systems. Owens Corning operates in North America, Europe, Asia-Pacific, and Latin America, with manufacturing facilities across these regions, and is headquartered in Toledo, Ohio, where it was founded in 1938 through the merger of Owens-Illinois Glass Company and Corning Glass Works. In recent developments, the company completed the acquisition of Masonite International Corporation in 2024, expanding its doors business segment into premium residential building products, and launched new sustainability initiatives, including the expansion of its recycled content in fiberglass products and partnerships for low-carbon roofing solutions, as part of its strategic shift toward energy-efficient and circular economy-focused offerings.