Operating signal within 24 months, or from a single source.
What they make
Mineral Wool Manufacturing327993Johns Manville makes insulation systems, commercial roofing, and served by products including calcium silicate and other engineered products. It produces materials such as PVC Jacketing and Fittings, extruded polystyrene, and roofing membranes including TPO, PVC, EPDM, SBS, APP, and BUR. -->
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Defiance 8 | Defiance | Mineral Wool Manufacturing 327993 | LIKELY ACTIVE | 0.2 KM |
| Johns Manville International, INC. - Plant 3 (0320010004) | Defiance | Mineral Wool Manufacturing 327993 | UNVERIFIED | 2.9 KM |
| Johns Manville Plant No 2 | Defiance | Mineral Wool Manufacturing 327993 | UNVERIFIED | 3.0 KM |
| Defiance 2 | Defiance | Mineral Wool Manufacturing 327993 | LIKELY ACTIVE | 3.0 KM |
| Wedge & Feathers Enterprises LLC | Defiance | Cut Stone and Stone Product Manufacturing 327991 | UNVERIFIED | 3.3 KM |
Also at this address
1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 6 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in AIR, AIRS/AFS, BR, CEDRI, E-GGRT, EIS, ICIS, NCDB, OH-CORE, RCRAINFO, TRIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA ECHO | OPERATING | SEP 2025 | SEP 2025 |
| EPA TRI | OPERATING | DEC 2023 | DEC 2023 |
| EPA FRS | EXISTENCE | JAN 2020 | JAN 2020 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| RCRA GENERATOR STATUS | EPA ECHO | SEP 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.