Thermasil: Asbestos-Containing Products by Keene Corporation

Product Description

Thermasil was a brand name associated with Keene Corporation, a diversified industrial manufacturer that produced a wide range of construction and industrial materials throughout much of the twentieth century. Keene Corporation operated across multiple product lines, and the Thermasil name appeared on products spanning several distinct industrial categories, including floor tile, pipe insulation, refractory materials, spray-applied fireproofing compounds, and valve and steam trap components.

Keene Corporation, headquartered in New York, built its industrial portfolio through a series of acquisitions and mergers, absorbing smaller manufacturers and their existing product lines over several decades. This corporate structure is significant to asbestos litigation because it means liability for Thermasil-branded products has been traced through multiple predecessor and successor entities. The Thermasil line was positioned as a durable, heat-resistant solution suitable for demanding industrial and commercial environments, qualities that were commonly achieved during this era through the incorporation of asbestos-containing materials.

The breadth of the Thermasil brand across multiple product categories — from flooring to high-temperature refractory and fireproofing materials — meant that the products reached a wide range of job sites, including manufacturing plants, refineries, shipyards, commercial construction projects, and power generation facilities.

Asbestos Content

Litigation records document that Thermasil products in multiple categories contained asbestos as a functional ingredient. Plaintiffs alleged that asbestos was incorporated into Thermasil floor tiles as a binding and reinforcing agent, consistent with industry-wide manufacturing practices for vinyl and resilient flooring products during the mid-twentieth century. In pipe insulation formulations, plaintiffs alleged that asbestos fibers provided the thermal resistance and structural integrity necessary for high-temperature applications.

Refractory products carrying the Thermasil name were alleged to contain asbestos as a component suited to withstanding extreme heat and repeated thermal cycling. Spray-applied fireproofing compounds under the Thermasil brand were alleged to rely on asbestos fibers as the primary fire-retardant material, a formulation approach that was standard in the industry prior to regulatory action in the 1970s and 1980s. Valve and steam trap components were also alleged to incorporate asbestos-containing packing, gasket, and insulating materials to manage the high pressures and temperatures found in steam systems.

Because Thermasil products spanned such a wide range of industrial categories, the specific asbestos mineral types and fiber concentrations may have varied by product line and by the manufacturing period in question. Litigation records reflect that plaintiffs pursued claims based on exposure across multiple Thermasil product types, indicating that asbestos was not limited to a single formulation within the brand.

How Workers Were Exposed

Industrial workers in a broad range of trades and occupational settings were identified in litigation as having encountered Thermasil products during normal work activities. The nature of exposure varied depending on which product category a worker interacted with.

Workers involved in the installation and removal of Thermasil floor tiles faced potential exposure during cutting, trimming, sanding, and demolition activities, all of which could generate respirable asbestos dust from the tile substrate and adhesive compounds. Litigation records document that floor tile removal — particularly when performed with power tools or in older buildings where tiles had become brittle — was considered a high-dust activity.

Pipe coverers, insulators, and maintenance workers who handled Thermasil pipe insulation were exposed during both the initial application of insulation sections and during repair or replacement work, when existing insulation was cut, broken, or stripped from pipe surfaces. Plaintiffs alleged that these tasks released visible airborne dust containing asbestos fibers into enclosed or poorly ventilated work areas.

Workers engaged in spray-applied fireproofing operations faced some of the most direct exposures associated with Thermasil products. Litigation records document that spray fireproofing application created dense clouds of airborne material, and workers in the vicinity — including ironworkers, electricians, and other tradespeople working in the same building areas — were potentially exposed even if they were not directly applying the product.

Refractory workers, boilermakers, and furnace maintenance crews who worked with Thermasil refractory materials encountered asbestos during mixing, cutting, and installation of refractory cements, castables, and related materials, as well as during furnace teardown and rebuild operations. Steam system mechanics and valve technicians who handled Thermasil valve and steam trap components were exposed during the removal and replacement of asbestos packing and gasket materials, activities that routinely involved scraping, wire brushing, and cutting of degraded asbestos-containing parts.

Because the Thermasil product line reached so many different industrial environments, exposure was not confined to a single trade. Industrial workers generally — across maintenance, construction, and process industries — were identified in litigation as potential claimants.

Documented Trust Fund / Legal Options

Thermasil falls under Tier 2 legal status, meaning that claims associated with these products are pursued through civil litigation rather than through an established asbestos bankruptcy trust fund. Keene Corporation itself underwent bankruptcy proceedings, and litigation records reflect that the company faced substantial asbestos-related liability across its product lines. However, prospective claimants and their legal representatives should conduct current due diligence to confirm the precise status of any Keene-related entities and whether any successor trust mechanisms or litigation vehicles remain active.

Plaintiffs alleged in civil proceedings that Keene Corporation knew or should have known of the hazards associated with asbestos-containing materials in its Thermasil product line and failed to provide adequate warnings to end users, contractors, and workers who encountered these products on job sites. Litigation records document claims grounded in product liability, negligence, and failure-to-warn theories, consistent with asbestos litigation broadly.

Individuals who believe they were exposed to Thermasil products and have received a diagnosis of an asbestos-related disease — including mesothelioma, asbestos-related lung cancer, asbestosis, or pleural disease — should consult an attorney experienced in asbestos litigation. Building a viable claim typically requires documenting the specific products encountered, the job sites and time periods involved, and the occupational tasks that generated exposure. Coworker testimony, employment records, union records, and contractor documentation can all serve as supporting evidence.

Because Thermasil products appeared across multiple industries and trades, workers with mixed exposure histories — those who worked on multiple job sites or in multiple trades over a career — may have viable claims related to Thermasil exposure as one component of a broader asbestos litigation strategy. Legal counsel can assist in identifying all potentially responsible parties and all available legal remedies applicable to an individual claimant’s circumstances.