Cornerstone Building Brands
15 facilities · 11 states · 629.1K lbs total releases
According to the EPA Toxics Release Inventory, Cornerstone Building Brands is the reported parent of 15 Form R facilities across 11 states, disclosing 629.1K lbs of toxic releases. 7 of 56 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Ohio (350.7K lbs). Those TRI figures remain self-reported disclosure pounds for Cornerstone Building Brands, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Cornerstone Building Brands: EPA TRI 2023 reporting year
Same facilities, both years
+5.6%
11 facilities that filed in 2022 and 2023
Whole inventory
+5.8%
72.8 thousand lb → 77.0 thousand lb, every facility that filed
Between the two reporting years, 2 facilities filed for the first time and 0 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Cornerstone Building Brands's total reported releases rose from 72.8 thousand lb in 2022 to 76.8 thousand lb in 2023, based on EPA TRI filings.
- Cornerstone Building Brands's chemicals reported rose from 18 in 2022 to 22 in 2023, based on EPA TRI filings.
- Cornerstone Building Brands's off-site transfers fell from 4.8 thousand lb in 2022 to 4.1 thousand lb in 2023, based on EPA TRI filings.
- Cornerstone Building Brands's air releases rose from 68.0 thousand lb in 2022 to 72.7 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Cornerstone Building Brands from filing to facility
Largest Form R sites under this parent: Ply Gem; Mueller Supply Co Inc.; Mueller Supply Co Inc.; Mw Manufacturers Inc.. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; Ineos US I Inc. Largest disclosed chemicals by pounds: Xylene (mixed isomers); Certain glycol ethers; Toluene; n-Butyl alcohol; 1,2,4-Trimethylbenzene. Heaviest-reporting states in this extract: Ohio; Louisiana; Texas. Industry labels on the parent rollup: Fabricated Metals; Plastics and Rubber; Miscellaneous Manufacturing. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.
Largest Form R sites under this parent: Ply Gem; Mueller Supply Co Inc.; Mueller Supply Co Inc.; Mw Manufacturers Inc.. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; Ineos US I Inc. Largest disclosed chemicals by pounds: Xylene (mixed isomers); Certain glycol ethers; Toluene; n-Butyl alcohol; 1,2,4-Trimethylbenzene. Heaviest-reporting states in this extract: Ohio; Louisiana; Texas. Industry labels on the parent rollup: Fabricated Metals; Plastics and Rubber; Miscellaneous Manufacturing.
Cornerstone Building Brands ranks #806 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Cornerstone Building Brands spans 11 states in this extract, placing it among the broader national TRI parent footprints. Cornerstone Building Brands's disclosed pounds are spread across 15 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Cornerstone Building Brands follows facility-reported names. Compare the named neighbors (Cleveland-Cliffs Inc; Ineos US I Inc) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Cornerstone Building Brands sits among TRI parents
Cornerstone Building Brands sits on a disclosure ladder beside Cleveland-Cliffs Inc and Ineos US I Inc. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Cleveland-Cliffs Inc · rank #804 · 64.3M lbs
- Ineos US I Inc · rank #805 · 42.4M lbs
Largest chemicals disclosed by Cornerstone Building Brands
Xylene (mixed isomers); Certain glycol ethers; Toluene; n-Butyl alcohol; 1,2,4-Trimethylbenzene lead the Form R pound rollup for this parent, including filings such as Ply Gem. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Xylene (mixed isomers) | 219.4K lbs |
| Certain glycol ethers | 145.9K lbs |
| Toluene | 99.5K lbs |
| n-Butyl alcohol | 66.0K lbs |
| 1,2,4-Trimethylbenzene | 44.4K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Ohio | 1 | 350.7K lbs |
| Louisiana | 1 | 219.3K lbs |
| Texas | 2 | 56.9K lbs |
| Illinois | 1 | 2.0K lbs |
| North Carolina | 3 | 203 lbs |
| Virginia | 2 | 0 lbs |
| Nebraska | 1 | 0 lbs |
| Missouri | 1 | 0 lbs |
| Tennessee | 1 | 0 lbs |
| South Carolina | 1 | 0 lbs |
| West Virginia | 1 | 0 lbs |
Facilities (15)
| Facility | Releases |
|---|---|
| Ply Gem Sidney, OH | 350.7K lbs |
| Mueller Supply Co Inc. Oak Grove, LA | 219.3K lbs |
| Mueller Supply Co Inc. Ballinger, TX | 48.8K lbs |
| Mw Manufacturers Inc. Bryan, TX | 8.1K lbs |
| Metl-Span a Div of Nci Group Inc Mattoon, IL | 2.0K lbs |
| Mw Manufacturers Inc. Lexington, NC | 188 lbs |
| Foundation Labs By Ply Gem LLC Durham, NC | 15 lbs |
| Cornerstone Building Brands - Variform Inc. Rocky Mount, NC | 0 lbs |
| Mw Manufacturers Inc Rocky Mount, VA | 0 lbs |
| Mastic Home Exteriors York, NE | 0 lbs |
| Variform Inc Kearney, MO | 0 lbs |
| Variform Inc Jasper, TN | 0 lbs |
| Ply Gem Siding Group Gaffney, SC | 0 lbs |
| Variform Inc. Martinsburg, WV | 0 lbs |
| Mastic Home Exteriors Stuarts Draft, VA | 0 lbs |
Frequently Asked Questions
How much pollution does Cornerstone Building Brands release?
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Does Cornerstone Building Brands release carcinogens?
Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Cornerstone Building Brands on total disclosed release pounds (629.1K lbs) and reporting facility count (15). Release-volume peers include Chem-Plate Industries Inc, Republic Steel, Innophos Inc. Facility-count peers include Bae Systems Inc, Bridgestone Americas Inc, Clarios LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.
Similar disclosed release pounds
Nearest parents (≥3 facilities, ≥10k lbs) by absolute TRI disclosed pounds, not rank-adjacent ladder neighbors.
Similar facility count
Nearest parents by reporting-site count (deduped against the release-pound neighborhood).
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Ohio, Louisiana, Texas; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Cornerstone Building Brands's TRI parent record
From Cornerstone Building Brands, open Ply Gem or compare against Cleveland-Cliffs Inc rather than reading rank alone.
- Open the largest Form R site for Cornerstone Building Brands (Ply Gem in OH). Largest facility
- Compare against Ineos US I Inc, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Cornerstone Building Brands sits among all slug-merged TRI parents. All parent companies
Rank and peers (Cleveland-Cliffs Inc, Ineos US I Inc) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Cornerstone Building Brands's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.
Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.
Primary sources
- EPA Toxics Release Inventory Basic Data Files - annual facility-level chemical-release disclosures
PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.