Asbestos minerals found their way into countless building materials across New York State cities such as Rochester, Buffalo, and Syracuse before their respiratory dangers were fully understood. Among these materials are glues, mastics, and adhesives—products that quietly bound homes together while potentially harboring a toxic secret.
Let’s dive into how asbestos was used in these substances, the risks they pose today, and proper inspection and abatement procedures.
A Sticky History
From the early 20th century through the 1980s, asbestos was a go-to additive in construction materials, including adhesives. Its fibrous nature enhanced durability, fire resistance, and binding power, making it ideal for glues, mastics (sealants), and other sticky compounds. Manufacturers didn’t advertise its presence—it was just another ingredient, like flour in a recipe. But unlike flour, asbestos fibers can become airborne when disturbed, posing severe health risks such as lung cancer and mesothelioma. While bans in many countries curtailed its use by the late 20th century, legacy products linger in homes built or renovated before these regulations took hold.
Types of Asbestos-Containing Adhesives
Different adhesives featured asbestos for specific purposes. Flooring adhesives, like black asphalt-based mastics (often called “cutback” adhesives), commonly contained chrysotile asbestos to boost strength and heat resistance under vinyl or linoleum tiles. These were staples in homes from the 1950s to 1980s. Wall and ceiling tile glues, used for acoustic or decorative panels, sometimes contained asbestos to improve fireproofing. Mastics for sealing windows, pipes, or roofing also occasionally harbored asbestos due to its flexibility and insulation properties. Even some carpet glues and adhesives for drywall or paneling might contain traces, depending on the era.
Identifying the Risk
Spotting asbestos in adhesives isn’t straightforward—it’s not like finding a label on a jar. These products harden over time, locking asbestos in place unless disturbed. Renovations, like ripping up old flooring or sanding down sealant, can release fibers into the air. Black mastic under tiles is a notorious suspect; its tar-like appearance doesn’t scream “asbestos,” but testing reveals the truth. Age is a clue: pre-1990 homes are prime candidates. However, not all old adhesives contain asbestos—formulations varied by manufacturer and region—so inspection by a certified inspector and lab analysis is the only surefire way to know.
Health and Handling Concerns
The danger lies in inhalation. Intact adhesives pose little risk, but DIY projects can turn them into hazards. Cutting, grinding, or scraping releases fibers, especially from friable (crumbly) materials. Owner-occupants tackling renovations face personal exposure, while professionals have training and gear to mitigate risks. Symptoms of asbestos-related diseases often take decades to appear, making prevention critical.
Managing Asbestos in Adhesives
If you suspect asbestos in your home’s glues or mastics, don’t panic—start with testing. NYSDOL-certified asbestos inspections can properly identify and analyze the material for asbestos. If positive, options include encapsulation (sealing it under new layers) or professional removal for high-risk areas. DIY removal is possible for owner-occupants, but abatement via a licensed contractor ensures safety and peace of mind.
How AEG Can Help
Asbestos in glues, mastics, and adhesives lurks in homes across Upstate New York. Awareness and testing are your best defenses. AEG has six licensed asbestos inspectors based in Western and Central New York who can identify asbestos materials and provide asbestos survey reports.
Areas we service include but are not limited to:
Syracuse, New York
Buffalo, New York
Albany, New York
Rochester, New York
Binghamton, New York
Utica, New York
Ithaca, New York
Watertown, New York
Auburn, New York
Geneva, New York
Batavia, New York
Niagara Falls, New York
Poughkeepsie, New York
Author: Daniel O’Brien is the Vice President of Apex Environmental Group. His certifications include Certified Health and Safety Technician, EPA Lead Inspector, NYSDOL Asbestos Project Designer, NYSDOL Asbestos Inspector, and NYSDOL Mold Assessor.