Asbestos Exposure at Interlake Steel in Chicago Heights: Missouri Workers’ Legal Guide

A Legal Resource for Former Employees, Families, and Mesothelioma Victims

Your Right to Compensation

For decades, Interlake Steel’s Chicago Heights facility operated as a major industrial complex where workers may have breathed asbestos fibers daily. If you worked there—or a loved one developed mesothelioma from that exposure—an experienced Missouri mesothelioma lawyer can help you pursue compensation.

The manufacturers allegedly responsible—Johns-Manville, Owens-Corning, Eagle-Picher, Garlock Sealing Technologies, Armstrong World Industries, W.R. Grace, Georgia-Pacific, Celotex, Crane Co., and Combustion Engineering—sold products including Kaylo, Thermobestos, Aircell, Monokote, Unibestos, Cranite, and Superex that are alleged to cause mesothelioma, asbestosis, lung cancer, and pleural disease.

You do not have to have been a full-time Interlake Steel employee to file a claim. Members of Heat and Frost Insulators Local 1 (St. Louis, MO), Plumbers and Pipefitters UA Local 562 (St. Louis, MO), Boilermakers Local 27 (St. Louis, MO), and other union locals who worked as insulators, pipefitters, boilermakers, electricians, and maintenance workers during turnarounds can pursue legal recovery. Family members exposed to asbestos residue on contaminated work clothes can also file claims.

Your Missouri Filing Deadline: Five Years—But Act Now

Under Missouri law § 516.120 RSMo, you have five years from diagnosis to file. That is longer than most states—but it is not a reason to wait.

Memories fade. Witnesses die. Medical records disappear. And pending 2026 legislative proposals could impose strict trust disclosure requirements and cut Missouri’s filing window to just two years. If that legislation passes, claimants who waited will have no recourse.

In Illinois, the statute of limitations already requires action within two years of diagnosis.

URGENT WARNING: Even with Missouri’s current five-year window, every month you delay costs you evidence, witnesses, and leverage. Call today to discuss your case with an experienced toxic tort attorney who handles asbestos claims.

Why delay kills cases:

Witnesses pass away or lose recall
Employment and medical records become harder to locate or are destroyed
Trust fund claim procedures may become more restrictive
Pending 2026 legislation could eliminate your current five-year protection

The Interlake Steel Chicago Heights Facility: Operations and Workforce

What Was Made Here and How Exposure Occurred

Interlake Steel Corporation operated an integrated steel production complex in Chicago Heights, Illinois, approximately 30 miles south of downtown Chicago in Cook County. The facility traced its roots to early 20th-century iron and coke production and grew into a diversified heavy industrial manufacturer comparable to operations at Granite City Steel / U.S. Steel (Granite City, IL) and Laclede Steel (Alton, IL).

Workers at facilities like this one may have been exposed to significant quantities of airborne asbestos fibers throughout their careers.

The plant included:

Blast furnaces for iron production insulated with Johns-Manville Kaylo and high-temperature products
Coke ovens and by-product recovery systems lined with asbestos-containing materials from Combustion Engineering
Electric arc furnaces with asbestos refractory components
Rolling mills for structural steel with asbestos-insulated steam systems
Annealing furnaces using Georgia-Pacific and Armstrong World Industries insulation
Heat-treating operations requiring Crane Co. boiler equipment with Garlock Sealing Technologies asbestos gaskets
Steam generation and boiler systems heavily insulated with Thermobestos and Monokote products
Piping networks covered with Aircell pipe insulation and Celotex products

Interlake operated through much of the post-World War II era into the 1980s and 1990s—the same timeline documented at power plants like the Labadie Energy Center (Franklin County, MO) and Portage des Sioux Power Plant (St. Charles County, MO).

Who Worked Here—And Why It Matters for Your Claim

The plant employed hundreds of direct employees plus rotating contractor workforces. Scheduled maintenance outages—turnarounds—brought waves of contract workers: insulators, pipefitters, boilermakers, and specialty tradespeople who reportedly worked for weeks on furnace repairs and re-insulation with Johns-Manville Kaylo and comparable products.

Many contractors accumulated heavy cumulative asbestos exposure across multiple Missouri and Illinois facilities throughout their careers. That exposure forms the primary basis for asbestos lawsuit filings in Missouri against Johns-Manville, Owens-Corning, Garlock Sealing Technologies, and other manufacturers.

Why Asbestos Was Used at Steel Facilities Like Chicago Heights

The Thermal Challenge

Steel production requires managing extreme heat. Blast furnaces exceed 2,000 degrees Fahrenheit. Coke ovens, open hearth furnaces, electric arc furnaces, and annealing operations sustain temperatures that demand specialized insulation.

For most of the 20th century, asbestos products—Johns-Manville Kaylo, Thermobestos, Unibestos—dominated because they were thermally resistant at extreme temperatures, mechanically flexible for complex equipment geometries, inexpensive and available in bulk, durable through repeated heating and cooling cycles, and bondable using asbestos-containing adhesives.

Industry Practice: 1930s Through 1990s

The American steel industry—including Interlake Steel—reportedly used asbestos-containing materials from Johns-Manville, Owens-Corning, Celotex, Armstrong World Industries, and Crane Co. from the 1930s through the mid-1970s. When manufacturers began shifting away from asbestos under OSHA pressure in the mid-to-late 1970s, legacy asbestos insulation stayed on equipment and pipes throughout facilities. Workers continued to disturb that insulation well into the 1980s and 1990s.

Where Asbestos Was Located at Interlake Steel Chicago Heights

Based on documented use at comparable integrated steel facilities and the specific industrial processes operated at this site, asbestos-containing materials allegedly occupied the following locations:

Blast Furnace Insulation and Equipment

Blast furnace stoves insulated with Johns-Manville Kaylo and Thermobestos
Blast furnace shells and cooling systems using Unibestos and comparable products
Hot blast main piping wrapped with Aircell and asbestos-jacketed calcium silicate
Casting floor equipment lined with asbestos-containing refractory materials

Workers performing maintenance or re-lining on blast furnace stoves insulated with Johns-Manville Kaylo may have faced some of the highest asbestos fiber concentrations documented in any industrial setting. Stove re-lining required removing and replacing asbestos block insulation—work that reportedly generated visible clouds of asbestos-laden dust.

Coke Oven and By-Product Recovery Systems

Coke oven door gaskets—frequently replaced, made of compressed asbestos sheet from Garlock Sealing Technologies or rope packing
Coke oven battery insulation—asbestos block and cement from Armstrong World Industries and Johns-Manville
By-product recovery piping insulation—calcium silicate jacketed with asbestos cloth or pre-formed Johns-Manville Kaylo pipe covering
Collector main insulation—large mains carrying hot gases insulated with asbestos-containing materials from Celotex and comparable suppliers
Ascension pipe fittings and expansion joints—asbestos rope packing and asbestos cloth expansion joints

Furnace and Boiler Systems

Steam generation and heat treatment equipment throughout the facility were allegedly insulated with asbestos-containing products from Crane Co., Armstrong World Industries, and Johns-Manville:

High-pressure steam boilers—insulated with Johns-Manville asbestos block, Thermobestos cement, and lagging from Eagle-Picher
Steam distribution piping—miles of pipe reportedly covered with Johns-Manville Kaylo pipe covering or Aircell with asbestos cloth wrap
Steam valves, flanges, and fittings—covered with asbestos cement mud-pack from Combustion Engineering or pre-fabricated asbestos valve covers from Garlock Sealing Technologies
Annealing furnace insulation—asbestos block and board from Georgia-Pacific and Celotex
Heat-treating furnace gaskets and door seals—woven asbestos rope from Garlock and compressed asbestos sheet

Electric Arc Furnace Operations

Electrode seals and packing—asbestos rope from Garlock Sealing Technologies
Furnace roof insulation—asbestos blanket and block from Johns-Manville and comparable suppliers
Bus bar insulation—electrical bus work wrapped with asbestos electrical tape or asbestos cloth from Armstrong World Industries

Rolling Mills and Downstream Processing

Roll housing insulation using Johns-Manville Kaylo
Steam chest and hood insulation from Owens-Corning and Georgia-Pacific
Monokote, millboard, and gasket material from Garlock Sealing Technologies throughout mechanical systems

Specific Asbestos Products at Interlake Steel Chicago Heights

Identifying specific products drives manufacturer liability. Based on documented use at comparable integrated steel facilities, the following asbestos-containing products were allegedly present:

Pipe Covering and Block Insulation

Johns-Manville Kaylo—pre-formed calcium silicate pipe covering and block with high asbestos content; subject of thousands of steel worker claims nationwide
Owens-Corning Kaylo (after Johns-Manville divestment)
Armstrong World Industries pipe covering and block insulation
Philip Carey Corporation magnesia-asbestos pipe covering—85% magnesia/asbestos product for high-temperature applications
Celotex Corporation insulation products—distributed throughout the Midwest industrial sector
Unarco Industries insulation products
Fibreboard Corporation pipe covering
W.R. Grace high-temperature insulation systems
Thermobestos calcium silicate products with asbestos binder

Asbestos Cements and Mastics

Combustion Engineering asbestos cements—used for boiler and furnace applications
Garlock Sealing Technologies asbestos gaskets and cement—critical in high-pressure and high-temperature environments
Armstrong World Industries asbestos adhesives and coatings—applied throughout industrial processes

Missouri Asbestos Settlement and Trust Fund Options

Many manufacturers of asbestos-containing products have filed bankruptcy and established trust funds to compensate victims. A Missouri asbestos attorney can evaluate which trusts apply to your exposure history and what you may recover.

How Trust Funds Work

When asbestos manufacturers filed for bankruptcy, courts established trusts to compensate current and future claimants. These trusts hold billions of dollars specifically for workers like you. Filing a trust claim runs parallel to—and does not prevent—litigation against solvent defendants.

The manufacturers allegedly responsible for Interlake Steel exposure have established or are connected to the following trusts:

Johns-Manville / Manville Personal Injury Settlement Trust
Owens Corning / Fibreboard Asbestos Personal Injury Trust
Eagle-Picher Industries Personal Injury Settlement Trust
Armstrong World Industries Asbestos Personal Injury Settlement
Celotex Asbestos Settlement Trust
W.R. Grace Asbestos Personal Injury Trust
Combustion Engineering 524(g) Asbestos PI Trust
Unarco Industries Asbestos Trust
Philip Carey / Celotex combined claims

Garlock Sealing Technologies and Crane Co. have faced extensive asbestos litigation and their settlement histories are relevant to your claim even where formal trusts do not exist.

Trust fund claims require documentation—employment records, union membership, medical records confirming diagnosis, and product identification evidence. An experienced Missouri asbestos attorney will gather that documentation and file claims simultaneously across multiple trusts to maximize your recovery.

Past results vary. Prior outcomes do not guarantee future recovery.

Missouri Asbestos Litigation: Filing Your Claim

Where Missouri Cases Are Filed

Missouri asbestos

Litigation Landscape

Workers exposed to asbestos-containing insulation at steel mills and metal fabrication facilities have pursued claims against multiple manufacturers whose products were used in industrial furnace systems. Defendants in documented litigation arising from this facility type have included Johns-Manville, Combustion Engineering, Babcock & Wilcox, Crane Co., W.R. Grace, Armstrong, and Garlock—companies that supplied pipe insulation, boiler components, gaskets, and thermal protection products commonly installed in steel production environments.

Because many of these manufacturers have entered bankruptcy, workers and their families may access compensation through established asbestos trust funds. The Johns-Manville Reorganized Trust, Combustion Engineering Trust, Babcock & Wilcox Trust, Crane Co. Trust, W.R. Grace Trust, Armstrong Trust, and Garlock Sealing Technologies Trust represent significant sources of recovery. These trusts are administered according to proof-of-claim procedures that require documentation of exposure history and medical diagnosis.

Publicly filed asbestos litigation from steel mills and similar industrial facilities has established that workers handling or working near insulated furnaces, boilers, and pipe systems faced substantial exposure risk. Exposure claims from these facilities typically involve insulators, maintenance workers, engineers, and laborers who worked during the facility’s operational decades—often the 1960s through 1980s, when asbestos use remained widespread despite emerging health evidence.

If you worked at Interlake Steel Chicago Heights or a similar facility and have been diagnosed with mesothelioma or another asbestos-related disease, an experienced Missouri asbestos attorney can evaluate your potential claims against responsible manufacturers and their trust funds. Contact O’Brien Law Firm to discuss your case.

Missouri DNR Asbestos Notification Records

The following 3 project notification(s) are documented with the Missouri Department of Natural Resources (NESHAP program) for AMEREN Missouri in Lake Ozark. These are public regulatory records.

Project ID	Year	Site / Building	Operation	ACM Removed	Contractor
2503	2017	P#1742 Ameren Missouri-Osage Plant, Generator	A	4lf frbl TSI	Asbestos Removal Services, Inc.
A6216-2013	2013	Ameren UE Lakeside Area Shoreline Management Office	Demolition	60sf frbl floor tile,600sf frbl transite,3000sf frbl transite ceiling/roofing	CENPRO Services, Inc.
6265-2013	2013	Ameren Shoreline Management Office	Demolition	Roof, floor tile, insulation board, transite panel. Cenpro Services removing…	Spirtas Wrecking Company

Source: Missouri Department of Natural Resources, NESHAP Asbestos Abatement & Demolition/Renovation Notification Program — public regulatory records.

Recent News & Developments

No facility-specific news articles, OSHA enforcement records, or EPA actions directed at the Interlake Steel Chicago Heights, Illinois operations appear in current public databases or recent media sources reviewed for this page. However, the absence of indexed reporting does not diminish the documented industrial history of the site or its relevance to ongoing asbestos litigation matters.

Operational Context and Incident History

Interlake Steel’s Chicago Heights facility operated as an integrated steelmaking complex for decades, with blast furnaces, coke ovens, and high-temperature processing equipment that historically depended on asbestos-containing insulation materials. Facilities of this type routinely experienced maintenance shutdowns, refractory relining operations, and periodic equipment failures — all activities known to disturb asbestos insulation on furnace linings, boiler lagging, and pipe jacketing. While no specific explosion or fire incident at this facility has been identified in publicly indexed records, operational disruptions at comparable integrated steel plants have historically produced elevated airborne fiber releases in confined maintenance areas.

Regulatory Landscape

Facilities of this class are governed by EPA National Emission Standards for Hazardous Air Pollutants (NESHAP), codified at 40 CFR Part 61, Subpart M, which mandates wet-down procedures, air monitoring, and licensed contractor oversight prior to any renovation or demolition of asbestos-containing materials. OSHA’s construction and general industry asbestos standards — 29 CFR 1926.1101 and 29 CFR 1910.1001 — establish permissible exposure limits, required respirator programs, and medical surveillance obligations that would have applied to maintenance trades working at this site. Any decommissioning or structural demolition of remaining Chicago Heights infrastructure would trigger mandatory NESHAP notification to the Illinois EPA.

Demolition and Decommissioning

Following the decline of domestic steel production in the 1970s and 1980s, the Chicago Heights complex underwent progressive curtailment of operations. Partial demolition and decommissioning activities at sites of this scale routinely involve removal of asbestos-containing refractory brick, block insulation, and thermal system components. Contractors performing such work without proper abatement protocols face citation under both federal and Illinois state environmental statutes.

Litigation and Product Identification

Asbestos litigation involving Interlake Steel operations has historically named thermal insulation manufacturers whose products were commonly specified for industrial furnace and boiler applications during the relevant operating years. Manufacturers including Johns-Manville, Owens-Illinois, Combustion Engineering, Babcock & Wilcox, and Armstrong produced boiler lagging, pipe block insulation, and refractory cement products widely distributed to steelmaking facilities across the Chicago metropolitan region. Workers in insulator, pipefitter, boilermaker, and millwright trades at integrated steel plants frequently encountered these branded materials during installation and removal cycles.

Workers or former employees of Interlake Steel Chicago Heights Illinois asbestos insulation furnaces who were diagnosed with mesothelioma, lung cancer, or asbestosis may have legal rights under Missouri law. Missouri § 537.046 extends the civil filing window for occupational disease claims.

Asbestos Exposure at Interlake Steel in Chicago Heights: Missouri Workers' Legal Guide