Key facts
- Company
- Owens Corning
- Industry
- Building & Infrastructure
- Materials
- Glass
- Processes
- Recycling
- Regions
- North America
- Countries
- United States
- Evidence through
- Sources
- 12 public sources
Reported scale and scope
- FY2025 revenue
- $10.10B December 31, 2025 · SEC XBRL, Current
- Genuine TRI facility lead
- 1 of 3 Waxahachie, TX · 2 raw matches are a different company
- Reportable segments
- 3Roofing, Insulation, Doors (FY2025 filing)
- Masonite acquisition completed
- May 15, 2024Reported as Doors in FY2025 filing
- Sector tags
- Building materials Construction & resource materials
Company flow
Public evidence, arranged around the physical system rather than the corporate org chart. Owens Corning's defining structural fact for this brief: a 2024 U.S. TRI parent-name match collided on the shared word “Corning” and pulled in two facilities that belong to a completely unrelated company. That collision, and how to read past it, is the subject of this brief's bespoke tab.
01 · MATERIALS IN
Recycled glass, asphalt & resins
Recycled glass cullet into fiberglass melt, asphalt/bitumen and reinforcing mats for shingles, and resins/binders for insulation are public category signals; divested glass reinforcements is outside current scope.
Public category signal02 · MAKE
Roofing, insulation and doors segments
Owens Corning’s FY2025 filing reports Roofing, Insulation and Doors. Glass reinforcements was sold to Praana Group on May 1, 2026. Source Source
Company described03 · PRODUCTS OUT
Shingles, fiberglass insulation and doors
The continuing segment labels are Roofing, Insulation and Doors. Masonite’s acquisition completed May 15, 2024; glass reinforcements is a divested business. Source Source
Company described04 · WASTE OUT
One genuine listed-chemical stream, correctly matched
A single verified 2024 TRI facility, Owens Corning Insulating Systems LLC in Waxahachie, TX, reports hydrochloric acid management. Two other raw matches under the shared “Corning” name are NOT Owens Corning; see the platforms section.
Name-collision correctedWhat is public now
Business segments Roofing, Insulation and Doors (FY2025 reportable segments); Masonite acquired May 15, 2024; glass reinforcements sold May 1, 2026
Ticker & identifiers NYSE: OC · CIK 0001370946
Sector tags Packaging, construction & resource materials · Construction & building materials
Public plant signal Exactly 1 genuine U.S. TRI facility lead (Waxahachie, TX). Two additional raw parent-name matches are a false positive from a different company. See below.
What the public record tells us
Evidence-integrity signal: The 2024 TRI parent-name match string for “Owens Corning” reads “CORNING INC; MASONITE CORP; OWENS CORNING; OWENS CORNING INC; OWENS CORNING INSULATING SYSTEMS LLC.” Two of those tokens, CORNING INC and, downstream of it, HEMLOCK SEMICONDUCTOR OPERATIONS LLC, belong to Corning Incorporated (NYSE: GLW), an unrelated glass/ceramics/optical-fiber company headquartered in Corning, NY. They are not Owens Corning facilities. Only the row naming Owens Corning Insulating Systems LLC is a genuine match.
Masonite’s acquisition completed May 15, 2024 and is reported as Doors in the FY2025 filing. That transaction does not independently validate an individual TRI parent-name match. Source
Revenue signal: FY2025 revenue of $10,103,000,000 (period ended December 31, 2025) is flagged “Current” in SEC XBRL data. A cost-of-revenue figure of $4,812,000,000 also present in the same source set is dated December 31, 2017 and flagged “Missing or stale.” It is not used anywhere in this brief and should not be treated as a current cost figure.
Regulatory and certification signals
Regulatory watchlist EPA Clean Air Act (fiberglass and asphalt manufacturing NESHAP rules), TRI, RCRA, state building-energy codes, EPR-adjacent construction-waste rules in some jurisdictions
Certification families ISO 14001, ENERGY STAR partner, GREENGUARD, third-party recycled-content verification where relevant to a specific product
How to use this view Connect each requirement to the product, plant, material, jurisdiction, and effective date before making a transition claim
Innovation and recovery signals
Material innovation Recycled-content fiberglass insulation and sustainable roofing R&D are company-described categories; sold glass reinforcements is outside the current perimeter
Recovery pathways Recycled glass cullet into fiberglass melt, reclaimed-shingle use in asphalt paving, are directional categories; no current Owens Corning wind-blade recovery program is established here
Manufacturing platforms & the Corning name-collision
This section makes evidence integrity, not just product description, the point: a name-matching algorithm confused two unrelated companies because they share the word “Corning.” This tab lays out Owens Corning's real platform structure, then documents the false positive so it never gets treated as fact downstream.
Evidence-integrity note · read before citing any TRI figureOwens Corning's real segment structure
RoofingAsphalt shingles Residential and commercial roofing products; long-standing core segment, publicly described
Company described InsulationFiberglass batts, rolls & spray foam Fiberglass insulation is the product family most associated with Owens Corning's brand, including its historic pink-fiberglass identity
Company described Historical business: glass reinforcementsOwens Corning completed the sale to Praana Group on May 1, 2026. This is not a current OC segment. Source
Doors (Masonite)Masonite door manufacturing Masonite acquired May 15, 2024; reported as the Doors segment in the FY2025 filing. Source
FY2025 filing: Doors segmentThe false positive: two facilities that are NOT Owens Corning
| Raw TRI match | Location / TRI ID | 2024 chemical | Actual owner |
|---|---|---|---|
| CORNING INC | Midland, NC · 28107CRNNG14556 | Hydrochloric acid, 1,680,215 lb | Corning Incorporated (NYSE: GLW), a separate, unrelated glass/ceramics/optical-fiber company headquartered in Corning, NY |
| (Linked via Corning Inc ownership group) | Hemlock, MI · 48626HMLCK12334 | Hydrochloric acid, 1,443,541 lb | Hemlock Semiconductor Operations LLC, a polysilicon-manufacturing joint venture historically tied to Corning Incorporated's ownership group (Dow Corning heritage), also not Owens Corning |
Neither of these two facilities is an Owens Corning site. Both were pulled into the raw multi-parent match string purely because the matching algorithm collided on the shared word “Corning.” Do not cite either facility's TRI figures, location, or chemical profile as Owens Corning data in any downstream document, pitch, or model.
The one genuine match: Waxahachie, TX
Owens Corning Insulating Systems LLC, Waxahachie, TX (TRI ID 75165WNSCRHWY35, hydrochloric acid, 1,098,589 lb in 2024) is the single facility in the raw match set whose entity name literally says “Owens Corning.” This is the only candidate lead this brief treats as a genuine Owens Corning facility. See the Waste, water & climate section for how this figure is used.
Products leaving the system
The FY2025 filing reports three segments: Roofing, Insulation and Doors. Glass reinforcements was sold May 1, 2026. Source Source
Company describedRoofing: asphalt shingles
Residential and commercial asphalt roofing shingles and related accessories, one of Owens Corning's longest-standing product lines.
Core product · company described
Insulation: fiberglass batts, rolls & spray foam
Fiberglass insulation products for residential and commercial building envelopes; the product family most publicly associated with the Owens Corning brand.
Core product · company described
Historical business: glass reinforcements
Sold to Praana Group May 1, 2026; not a current Owens Corning product platform. Source
Doors (Masonite)
Interior and exterior doors, added through the completed Masonite acquisition on May 15, 2024 and reported as Doors in the FY2025 filing. Source
FY2025 filing: Doors segment
Materials entering the system
Category-level material families connect Owens Corning's public platform descriptions to its manufacturing inputs. Recycled glass cullet is the standout circularity signal in this sector.
Public category signals| Material family | Feeds which platform | Public signal |
|---|---|---|
| Recycled glass cullet | Insulation (fiberglass melt) | Genuine circularity input, public category signal |
| Virgin silica sand & batch chemicals | Insulation (fiberglass melt); divested GR excluded | Public category signal |
| Asphalt / bitumen & reinforcing mats | Roofing | Public category signal |
| Resins & binders | Insulation; divested GR excluded | Public category signal |
| Wood, glass, hardware & coatings | Doors (Masonite) | Doors segment; Masonite acquired May 15, 2024 |
Financial scale context
FY2025 revenue is $10,103,000,000 for the period ended December 31, 2025, flagged “Current” in SEC XBRL data (CIK 0001370946). A cost-of-revenue figure of $4,812,000,000 present in the same cited public sources is dated December 31, 2017 and flagged “Missing or stale.” It is not a current cost figure and is not used anywhere in this brief. Pull the current 10-K to confirm any cost-of-revenue or margin figure.
Material transition focus
The transaction boundary here is the May 1, 2026 glass-reinforcements sale. Continuing Roofing and Insulation glass/nonwoven products must not be conflated with that divested business. Source
Reported residual, water & climate signals
2024 TRI data gives a facility-lead, single-chemical, U.S.-only view, and for Owens Corning, it required a manual correction first. Only one of the three raw matches is a genuine Owens Corning facility.
Corrected parent-name TRI match plus company-reported ESG dataWaxahachie, TX: the one genuine 2024 TRI facility
Owens Corning Insulating Systems LLC, Waxahachie (TRI ID 75165WNSCRHWY35) reports hydrochloric acid management of 1,098,589 lb in 2024. Its entity name literally contains “Owens Corning,” making it the only facility in this brief's TRI match set treated as a genuine candidate lead.
Hydrochloric acid is a plausible fiberglass-manufacturing process chemical; exact release, transfer, and recovery figures by category require pulling the facility's own TRI submission rather than the parent-match summary used here.
Two facilities excluded as false positives
Corning Inc, Midland, NC (1,680,215 lb hydrochloric acid) and Hemlock Semiconductor Operations LLC, Hemlock, MI (1,443,541 lb hydrochloric acid) also appeared in the raw parent-name match, but both belong to Corning Incorporated (NYSE: GLW), not Owens Corning.
Do not attribute either facility's tonnage, location, or chemical profile to Owens Corning. See the platforms section for the full explanation of this name collision.
Climate and recycled-content commitments
Owens Corning publicly discloses greenhouse-gas reduction targets and recycled-content goals for its insulation and roofing businesses as part of its sustainability reporting. Treat any specific target percentage, baseline year, or recycled-content figure as company reported and unverified here until pulled from the current sustainability report.
Recycled glass cullet: a genuine circularity input
Recycled glass cullet is a real, industry-standard input to fiberglass manufacturing, giving Owens Corning's Insulation platform a genuine circularity angle distinct from a company merely stating a recycling aspiration. Exact cullet percentage by plant is not itemized in this source set.
Scope limitation
TRI parent-name matching only reaches U.S. facilities filed under a matched corporate name, only for listed chemicals like hydrochloric acid, and, as demonstrated here, can produce false positives when two unrelated companies share a word in their name. It does not capture total plant waste, water withdrawal, or emissions for Owens Corning's full footprint, and it does not extend to non-U.S. sites.
Regulatory watchlist, building codes & innovation signals
Fiberglass and asphalt manufacturing sit under standard EPA air-emissions rules; building-energy codes are the demand-side driver for insulation, and a growing set of state EPR-adjacent construction-waste rules is the newest watch item.
| Jurisdiction | Framework | Trigger / status |
|---|---|---|
| United States (federal) | EPA Clean Air Act: NESHAP/MACT rules for mineral wool, fiberglass, and asphalt processing | Air-emissions standards specific to fiberglass melting and asphalt shingle manufacturing; facility-level applicability not adjudicated here |
| United States (federal) | TRI, RCRA | Facility-level chemical reporting; only one U.S. facility lead is a genuine Owens Corning match in this source set |
| United States (state/local) | Building energy codes (IECC and state adoptions) | The primary demand driver for insulation R-value requirements; a direct commercial tailwind for the Insulation platform |
| United States (state) | EPR-adjacent construction and demolition (C&D) waste rules | Emerging in select states; relevant to shingle and building-material disposal and reclaimed-material use, not yet a uniform national framework |
| United States (federal/state) | Asphalt shingle recycling / reclaimed-asphalt-shingle (RAS) programs | Voluntary and state-level programs route reclaimed shingles into paving mixes; program scope and volume are not itemized in this source set |
Regulatory applicability has not been adjudicated per site, product, or jurisdiction here. This is a watchlist, not a legal conclusion.
Certification families in play
Certificate number, site scope, and current expiry are not verified here. Certification-family relevance does not prove an active, in-scope certificate for a named plant or product.
Innovation signals
Recycled-content fiberglass Public sustainability messaging positions higher recycled-glass-cullet content as a stated design direction for insulation
Sustainable roofing R&D Directional public signal; specific commercialized formats not itemized in current source set
Doors segment: Masonite acquired May 15, 2024; Doors is a reportable segment in the FY2025 filing. Source
Evidence gaps
The sources reviewed do not establish a site-qualified material stream, unmet sourcing need, buyer, offtake, pilot or Material Transition relationship. Plant-level quantities, specifications, recovery yields and commercial demand remain unresolved.
Material Transition editorial interpretation
The completed Masonite acquisition and glass-reinforcements sale define different business boundaries. Historical TRI name matches do not independently establish current site ownership or a material-recovery project.
Sources
- [1] U.S. EPA TRI (opens in a new tab)
epa.gov
2024 U.S. TRI Basic Data Files. Facility, parent, chemical, and management quantities. Name-collision caveat: the raw parent-name match for “Owens Corning” returns a mixed set: “CORNING INC; MASONITE CORP; OWENS CORNING; OWENS CORNING INC; OWENS CORNING INSULATING SYSTEMS LLC,” because the matching algorithm collided on the shared word “Corning.” Two facilities in that raw set (Corning Inc, Midland, NC and Hemlock Semiconductor Operations LLC, Hemlock, MI) belong to Corning Incorporated (NYSE: GLW), an unrelated company, and are NOT Owens Corning. Only Owens Corning Insulating Systems LLC, Waxahachie, TX, is a genuine match. Read this source with that correction applied, not as a raw list.
- [2] U.S. SEC (opens in a new tab)
sec.gov
SEC XBRL data resolves FY2025 revenue at $10,103,000,000 for the period ended December 31, 2025, flagged “Current” (CIK 0001370946). A cost-of-revenue figure of $4,812,000,000 in the same source is dated December 31, 2017 and flagged “Missing or stale,” not used in this brief. Pull the current 10-K to confirm any other financial figure.
- [3] Masonite acquisition (opens in a new tab)
owenscorning.com
Public reporting on Owens Corning's acquisition of Masonite International Corporation, a door manufacturer, in a deal valued at roughly $3.9 billion, announced in 2024. Reported and directionally reliable; verify current integration and segment-reporting status in Owens Corning's own filings.
- [4] Company sustainability disclosure (opens in a new tab)
owenscorning.com
Owens Corning's own sustainability/ESG reporting: climate targets, recycled-content goals for insulation and roofing, and water-stewardship descriptions.
- [5] Building energy codes (opens in a new tab)
iccsafe.org
International Energy Conservation Code (IECC) and state adoption records: the regulatory driver behind insulation R-value demand referenced in the regulatory section.
- [6] Corning Incorporated (for disambiguation only) (opens in a new tab)
corning.com
Corning Incorporated (NYSE: GLW) public filings and facility descriptions, included here solely to support the name-collision correction in S1, not as a source about Owens Corning.
- [7] Current source · 2025 Sustainability Report (opens in a new tab)
owenscorning.com
Owens Corning, official report PDF. The source supports the bounded company-specific signal above and does not establish a buyer, supply agreement, ownership, operating control or customer qualification by itself.
- [8] Current source · Sustainability overview (opens in a new tab)
owenscorning.com
Owens Corning, official sustainability site. The source supports the bounded company-specific signal above and does not establish a buyer, supply agreement, ownership, operating control or customer qualification by itself.
- [9] Current source · 2024 Sustainability Report (opens in a new tab)
owenscorning.com
Owens Corning, official report PDF. The source supports the bounded company-specific signal above and does not establish a buyer, supply agreement, ownership, operating control or customer qualification by itself.
- [10] Owens Corning FY2025 Form 10-K (opens in a new tab)
sec.gov
Continuing segment names and completed acquisition date; no facility-owner signoff.
- [11] Owens Corning glass reinforcements sale, May 1, 2026 (opens in a new tab)
investor.owenscorning.com
Sold glass reinforcements only, not every continuing glass/nonwoven product. No route remapping to Praana. Capture is an excerpt transcript, not raw HTML.
- [12] EPA: Common TRI Terms (opens in a new tab)
epa.gov
Definitions only. Does not validate the imported company aggregates, facility matches, equipment or recovery yields.
Topics in this brief