Asbestos was used in thousands of products throughout the 20th century, and many of them are still present in older homes, vehicles, and workplaces today. Building materials make up the largest category, but asbestos also shows up in automotive parts, industrial equipment, personal care products, and even vintage safety gear. If your home was built before 1990 or your car predates the mid-2000s, there’s a reasonable chance you have asbestos-containing materials somewhere nearby.
Building Materials in Older Homes
Construction products account for the vast majority of asbestos use in the United States. The EPA identifies several specific locations where asbestos may be found in homes: attic and wall insulation made with vermiculite, vinyl floor tiles and sheet flooring backing, roofing and siding shingles, textured paint and patching compounds on walls and ceilings, cement sheets and millboard around wood-burning stoves, pipe insulation on hot water and steam lines, and door gaskets on oil and coal furnaces.
The key factor is age. Homes built or renovated between the 1940s and late 1980s are the most likely to contain asbestos products. The EPA issued a ban on most asbestos-containing construction materials in 1989, though some products slipped through regulatory gaps for years afterward.
Floor Tiles and Adhesives
Vinyl floor tiles are one of the most common asbestos-containing products still found in homes. If your tiles measure 9 by 9 inches, that’s a strong indicator they contain asbestos, since that size was standard during the peak asbestos era. Tiles measuring 12 by 12 inches or 18 by 18 inches from that same period may also contain asbestos, though the 9-inch size is the most telltale sign.
The tile surface itself can be any color or pattern, so appearance alone won’t tell you much. What’s more revealing is what’s underneath: asbestos-containing vinyl flooring sometimes has an oily or dark discoloration on its underside. The black adhesive (often called “mastic”) used to glue tiles down is another concern. Carpet glues, cove bases, and other flooring adhesives from this era frequently contained asbestos as well. If you’re pulling up old flooring and see thick black glue underneath, treat it as potentially hazardous until tested.
Textured Ceilings and Spray-On Coatings
Popcorn ceilings are perhaps the most widely recognized asbestos risk in residential homes. Asbestos became a standard ingredient in most popcorn ceiling formulations during the 1960s and 1970s, with initial use dating back to the late 1950s. If your home has a textured, bumpy ceiling that was applied before 1990, it may contain asbestos fibers mixed into the spray-on coating.
Textured wall paints and joint compounds from the same era also used asbestos. These products are generally safe when left undisturbed, but sanding, scraping, or drilling into them releases microscopic fibers into the air. This is why renovation projects in older homes require testing before any demolition begins.
Vermiculite Attic Insulation
Vermiculite insulation is a pebble-like, pour-in product that’s usually gray-brown or silver-gold in color. It looks like small, accordion-shaped granules, and it was a popular attic insulation from the 1920s through 1990. The concern is specific: a single mine near Libby, Montana supplied over 70 percent of all vermiculite sold in the United States during that period, and the ore from that mine was contaminated with asbestos. The insulation was widely sold under the brand name Zonolite.
If you have loose, granular insulation in your attic that matches this description, the EPA recommends assuming it contains asbestos. Don’t disturb it, don’t try to remove it yourself, and don’t store belongings in the attic where movement could stir up fibers.
Automotive Parts
Asbestos was the go-to material for automotive friction products for decades. Brake pads, brake shoes, clutch facings, and clutch discs all commonly contained asbestos because it could withstand extreme heat without breaking down. OSHA’s current guidance tells mechanics to assume that all older brakes contain asbestos, since worn non-asbestos brake shoes are visually indistinguishable from asbestos-containing ones.
This isn’t purely a historical issue. Some automotive brakes and clutches available today still contain asbestos, particularly aftermarket and imported parts. The EPA’s 2024 final rule on chrysotile asbestos specifically targets aftermarket automotive brake linings and vehicle friction products, prohibiting their manufacture, import, and distribution. Until that ban fully phases in, asbestos-containing brake parts can still be encountered in auto shops and online retailers.
Industrial and Maritime Equipment
In industrial settings, asbestos was used wherever extreme heat or chemical resistance was needed. Gaskets, valve packing materials, boiler insulation, and pipe lagging in factories, power plants, and ships were routinely made with asbestos. Shipbuilding was an especially heavy user: engine rooms, boiler rooms, and steam systems throughout naval and commercial vessels were insulated with asbestos-containing materials from the 1930s through the 1970s.
Gasket and packing replacement remains a source of exposure in industries that maintain older equipment. Workers replacing asbestos-containing gaskets from flanges and valves release measurable airborne fibers during the process, though studies have found these exposures typically fall below current occupational limits when proper precautions are taken. The EPA’s 2024 rule also bans chrysotile asbestos sheet gaskets used in chemical production and brake blocks used in the oil industry.
Fireproofing and Heat-Resistant Gear
Asbestos was woven into textiles and sewn into protective clothing for any occupation involving fire or extreme heat. Firefighting suits and equipment, welding gloves and aprons, protective blankets, and military heat-resistant gear all used asbestos fibers. Fire proximity suits made between the 1940s and 1960s were commonly constructed with asbestos fabric. Even commercial kitchens used asbestos: woven asbestos mittens were standard equipment in bakeries through the 1950s and beyond.
Household items from this era also incorporated asbestos textiles. Ironing board covers, oven mitts, stovetop heat pads, and fireplace screens sometimes contained asbestos. These products are no longer manufactured, but vintage items still turn up in older homes, estate sales, and antique shops.
Talcum Powder and Personal Care Products
Talc and asbestos are naturally occurring minerals that form in close proximity in the earth, which creates a risk of asbestos contamination in talc-based products. Baby powder, body powder, and cosmetics containing talc have all been subject to concern over potential asbestos fibers.
The FDA has tested talc-containing cosmetics and found asbestos in some products. In October 2019, the agency issued a safety alert warning consumers not to use certain cosmetic products that tested positive for asbestos, and a major baby powder manufacturer voluntarily recalled its product the same month. The FDA’s ongoing testing program targets products across various price ranges, including those marketed to children and those popular on social media. Talc-free alternatives using cornstarch or other minerals are now widely available for consumers who want to avoid the risk entirely.
What the 2024 EPA Ban Covers
In March 2024, the EPA issued a final rule banning chrysotile asbestos, the only type still in commercial use in the United States. Effective May 28, 2024, the rule prohibits the manufacture, import, processing, and distribution of chrysotile asbestos in several specific product categories: diaphragms used in the chlor-alkali industry (which produces chlorine and sodium hydroxide), sheet gaskets for chemical production, brake blocks for the oil industry, aftermarket automotive brake linings, other vehicle friction products, and other gaskets.
This rule doesn’t affect asbestos that’s already in place in buildings, vehicles, or equipment. Millions of homes and commercial structures still contain asbestos products installed decades ago. Those materials remain legal to leave in place, and they’re generally considered safe as long as they’re in good condition and not disturbed.
How to Confirm Asbestos in Your Home
You cannot identify asbestos by looking at a material. The fibers are microscopic, and asbestos-containing products look identical to their non-asbestos counterparts. The only reliable method is laboratory testing. Accredited asbestos testing labs operate under the National Voluntary Laboratory Accreditation Program (NVLAP) and analyze samples using specialized microscopy techniques.
If you suspect a material contains asbestos, the safest approach is to hire a certified asbestos inspector to collect samples. While home testing kits exist, improper sample collection can release fibers into your living space. This matters most during renovation projects: before you tear out old flooring, scrape a popcorn ceiling, or disturb pipe insulation, have the material tested first. The cost of a professional inspection is typically far less than the cost of an asbestos abatement project triggered by accidental disturbance.