Concrete Asbestos Products Asbestos Exposure

Concrete Products and Historical Asbestos Use

Asbestos was historically incorporated into certain cementitious building products because the fibers could reinforce the material and add heat resistance and durability. OSHA lists asbestos-cement siding, pressure pipe, conduits, ducts, shingles, flat sheet and corrugated sheet among historical asbestos products.

EPA similarly identifies asbestos-cement pipe and fittings, flat sheet, corrugated sheet and asbestos-cement shingles as distinct historical cement-product categories. These records support the existence of asbestos-containing cementitious products, but they do not support assuming that poured concrete slabs, foundations, structural concrete or every precast component contained asbestos.

OSHA has also issued a hazard bulletin concerning historical “soft concrete,” described as an asbestos/concrete mixture used as a roofing layer in some applications. That was a specialized material, not ordinary structural concrete.

Types of Concrete and Cementitious Asbestos Products

Depending on manufacturer, formulation, application and year, asbestos may historically have been associated with:

• asbestos-cement pressure pipe and fittings;
• asbestos-cement conduits and ducts;
• flat asbestos-cement sheets;
• corrugated asbestos-cement sheets;
• asbestos-cement shingles;
• asbestos-cement siding products;
• certain cementitious boards and exterior panels;
• specialized asbestos-containing roofing mixtures such as historical “soft concrete”;
• some cement, mortar, coating, grout or plaster products formulated with asbestos; and
• adjacent materials installed with these products.

The related Cement Products Asbestos Exposure page covers asbestos-cement materials broadly. Some applications also overlap with siding products, sheathing products, paneling products, and mortar products.

Material names used on old plans or invoices can be imprecise. A record that simply says “concrete board” or “cement panel” does not by itself establish asbestos content.

How Asbestos Exposure Could Occur

A potential exposure pathway requires asbestos-containing cementitious material and work that releases fibers into the air. Dense asbestos-cement products can bind fibers within a hard matrix, but drilling, sawing, grinding, breaking or weathering can disturb that matrix.

Potential disturbance could occur during tasks such as:

• sawing asbestos-cement sheet or board;
• cutting asbestos-cement pipe or conduit;
• drilling holes for fasteners, fittings or penetrations;
• grinding or shaping panel edges;
• breaking brittle cementitious products during removal;
• chipping or cutting specialized asbestos-containing roofing material;
• removing siding, shingles, sheets or ducts;
• demolishing walls or roof assemblies containing asbestos-cement products; and
• dry sweeping or blowing dust created by cutting or demolition.

OSHA specifically recognizes that common tasks such as drilling and cutting installed asbestos-cement products can result in asbestos-fiber exposure if not performed carefully. Actual exposure depends on asbestos content, tool type, dust generation, material condition, frequency, duration, proximity, ventilation, respiratory protection and cleanup practices.

Workers and Job Sites That May Have Encountered These Products

Workers who manufactured, cut, installed, repaired or removed historical asbestos-cement or other asbestos-containing cementitious products may have encountered airborne fibers. A job title alone does not prove exposure; the specific product and task matter.

Potentially relevant occupations may include cement-product workers, construction laborers, carpenters, pipefitters, plumbers, utility workers, roofers, siding installers, electricians, maintenance personnel, demolition crews and workers who handled precast or cementitious panels.

Possible settings include homes, schools, hospitals, factories, warehouses, industrial plants, power facilities, utility systems, commercial buildings, military installations and infrastructure projects.

Nearby workers could also have encountered dust if asbestos-containing sheets, pipe or other cementitious products were dry-cut, drilled or broken in the same work area.

Cutting, Repair and Demolition Risks

Cutting and drilling

Asbestos-cement products frequently required field modification for installation. Cutting pipe, drilling sheet material or trimming panels could generate fine cementitious dust containing asbestos fibers if the product contained asbestos.

Repair and maintenance

Older pipe, siding, sheets and panels may require repair after impact, weathering or equipment changes. Removing damaged sections can involve sawing, drilling or breaking brittle material.

Roofing applications

OSHA’s historical “soft concrete” bulletin describes an asbestos/concrete mixture used as a roofing layer in some buildings. Workers cutting into or removing that specialized material could encounter asbestos-containing dust.

Demolition

Demolition can fracture large cementitious products into smaller pieces and spread dust. Where asbestos-containing material is present, applicable asbestos work practices may be required before aggressive breaking, cutting or cleanup.

Do not confuse asbestos with ordinary concrete hazards

Ordinary concrete work also creates other hazards, including respirable crystalline silica from cutting and grinding. Those hazards are important but are separate from asbestos. An asbestos exposure assessment should first determine whether the product itself contained asbestos.

Evidence That May Identify Historical Concrete Asbestos Products

Exposure reconstruction is strongest when records identify the exact product, manufacturer, application and work performed. Descriptions such as “cement,” “concrete” or “board” are often too broad by themselves.

Useful evidence may include:

• manufacturer names, stamps or molded markings;
• brand names, trade names and product numbers;
• original bags, cartons, wrappers or labels;
• manufacturer catalogs and technical data sheets;
• architectural and engineering specifications;
• pipe schedules, utility drawings or material lists;
• purchase orders, invoices and supplier records;
• contractor and subcontractor records;
• maintenance, repair or demolition records;
• historic photographs showing installed products or packaging;
• asbestos surveys, bulk-sample reports and abatement records;
• employer, union or military records documenting assignments;
• coworker or supervisor statements identifying products and tasks; and
• qualified laboratory analysis of surviving material when appropriate.

Testing should distinguish an asbestos-cement or asbestos-containing cementitious product from ordinary concrete, mortar, coatings, insulation and adjacent materials whenever those components can be separately identified.

Medical and pathology records may document an asbestos-related diagnosis but do not establish which historical concrete or cementitious product was an exposure source.

Secondhand Exposure and Health Risks

If cutting, drilling or demolition of asbestos-containing cementitious products generated dust that accumulated on work clothing, shoes, tools or belongings, fibers could potentially have been carried away from the job site. This is a possible secondhand exposure pathway, but family relationship alone does not establish exposure.

Asbestos exposure is associated with mesothelioma, asbestos-related lung cancer, asbestosis and other asbestos-related disease. Working with ordinary concrete does not establish asbestos exposure, and working with an asbestos-containing product does not by itself diagnose disease or establish individual medical causation.

Anyone concerned about historical occupational asbestos exposure should discuss their work history and health with a qualified healthcare professional.

Legal and Compensation Considerations

Depending on the evidence and circumstances, legal options may be available to a person diagnosed with an asbestos-related disease after documented exposure to a specific asbestos-containing cementitious product, such as asbestos-cement pipe, sheet, siding, shingles or another identified material.

A legal review may consider the manufacturer, product line, composition, installation or manufacture dates, job site, work performed, frequency and duration of exposure, diagnosis, jurisdiction and applicable filing deadlines.

Identifying a manufacturer or supplier does not automatically establish legal responsibility. Liability is case-specific and depends on product evidence, exposure evidence and governing law.

Some matters may involve asbestos trust funds, but each trust has its own product, exposure and medical documentation requirements. Eligibility is not automatic, and compensation is not guaranteed.

Exposure that occurred decades ago does not by itself determine whether a claim is timely. Statutes of limitation and other deadlines vary by jurisdiction and circumstances and should be reviewed individually.

Concrete Asbestos Products Exposure FAQs

Did ordinary concrete contain asbestos?

Ordinary concrete should not be assumed to contain asbestos. Historical asbestos use is better documented in specific asbestos-cement and other specialized cementitious products.

What asbestos-cement products were historically made?

Government records identify asbestos-cement pipe and fittings, flat sheet, corrugated sheet, shingles, siding, conduits and ducts among historical product categories.

What was asbestos “soft concrete”?

OSHA has described a historical roofing material called “soft concrete” as an asbestos/concrete mixture used as a roofing layer in some buildings. It was a specialized product rather than ordinary structural concrete.

Could cutting asbestos-cement products release fibers?

Yes. OSHA notes that drilling and cutting installed asbestos-cement products can result in asbestos-fiber exposure if not done carefully.

Are concrete dust and asbestos dust the same thing?

No. Concrete cutting can create silica-containing dust even when asbestos is absent. Asbestos exposure requires asbestos-containing material.

Can asbestos-cement products be identified by appearance?

No. Color, hardness and age are not reliable proof of asbestos content. Historical records or qualified laboratory analysis may be needed.

What evidence can identify a historical concrete asbestos product?

Useful evidence can include manufacturer markings, catalogs, specifications, invoices, contractor records, photographs, asbestos surveys, laboratory reports and coworker testimony.

Does working with old concrete automatically qualify someone for compensation?

No. Legal eligibility depends on identifying asbestos-containing material, establishing exposure, documenting diagnosis, jurisdiction and other case-specific evidence. Compensation is not guaranteed.

Get Help Reviewing Historical Concrete Asbestos Product Exposure

If you or a family member has been diagnosed with mesothelioma, asbestos-related lung cancer or another asbestos-related disease and you are trying to identify older asbestos-cement pipe, sheets, boards, roofing materials or other cementitious products from a workplace, construction project or military facility, we can help organize the product and exposure history that may be relevant.

Call 800.291.0963 to discuss what you remember about the product, markings, job site and work performed. Live chat is available 24/7, 365 days a year. Submit Your Case using the form below.

Prior exposure does not automatically establish a legal claim. Eligibility depends on the evidence, diagnosis, jurisdiction and other circumstances, and compensation is not guaranteed.

⚕️ Legal & Medical Information Disclaimer
This page provides general educational information and is not medical or legal advice. The information does not establish asbestos exposure, diagnosis, causation, liability, claim eligibility or compensation. Medical concerns should be discussed with a qualified healthcare professional, and legal questions should be reviewed with a qualified attorney.