How do you identify asbestos tiles?

• <div><p>If you can locate building records, you may be able simply to see what type of tiles (or bonding agent) was used. Any flooring made between 1950 and 1989 more than likely contains asbestos. <a href="https://www.angi.com/articles/how-to-tell-if-you-have-asbestos-floor-tile.htm">Asbestos tiles</a> can also be slightly thicker than other tiles and often measure 9” x 9”, 12” x 12”, and 18” x 18. Black mastic was a commonly used adhesive that contains asbestos.</p></div>

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*The Angi rating for Percolation Testing companies in Mars Hill, NC is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Percolation Testing needs.

*The HomeAdvisor rating for Percolation Testing companies in Mars Hill, NC is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Percolation Testing needs.

Last update on February 09, 2026

Reviewed in February 2026
Found out this "fully licensed " plumber doesn't know plumbing code. Matter of fact, owner took a class on how to take tests to get his plumbing license. If this guy takes a short cut to get his plumbing license, shat kind of shortcuts will he take on the job??? No ty. Not for me.
The Plumbing Gurus
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Reviewed in September 2025
They seemed super nice -- until it didn't work. Who knows, maybe it works for some strains. the strain I tested positive for, after their first treatment, is penicillin/aspergillis and it does nothing for that. I asked, why are we doing the same thing again if it didn't work? No answer....
NoMoldWNC
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Reviewed in May 2023
Timely and courteous and tested everything to determine the problem.
Hot Tub Handyman, LLC
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Reviewed in October 2019
They were very courteous and did a thorough inspection of my wood stove insert and chimney. After cleaning and smoke testing they took the time to explain the features of the stove to me (I've just purchased the home and never had a wood stove before). They said if I had any questions once I...
Carolina Ductmasters, Inc.
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Reviewed in September 2017
I thought I needed a filtration system but they said all I needed was a softening system and it's getting the job done. It's lovely. I called them. They said they needed to test the specimen to find out what I needed. I took a specimen to the office and they checked it. She confirmed with her...
Mountain Water Systems
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Reviewed in November 2015
I called Hill?s Plumbing for a simple shower leak. I chose him because he was straight ?A? rated, and he was close to my somewhat remote home. (I like to use providers in my neighborhood whenever possible, and keep my money in the community.) My husband, who has plumbing experience, said that...
Hill's Plumbing Contractors
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Reviewed in January 2013
Very badly. While the problem was eventually fixed, it took four visits and way too much time, and one technician tried to sell us two parts instead of testing to determine which one was actually needed. Things started well when the first appointment was made reasonably soon and kept fairly...
A&E Factory Service
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Reviewed in November 2012
I was helping an elderly friend to get his house ready for market. A hole in the wall of the garage suggested the prevous existence of an outside faucet. He installed a new faucet, connecting it with the existing line. He also traced a basement leak in a bedroom ceiling to a leaky tub area in a...
PlumbSmart Plumbing & Drains
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Reviewed in November 2011
Nick and Andrew were a pleasure to deal with from the start. They were extremely professional and consistently prompt in responding to our inquiries. We had spent 5 months trying to get the company managing the building to diagnose and treat the problem, so by the time we contacted Nick and...
Carolina Mold Experts
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Percolation Tests questions, answered by experts

Often found in old insulation, tiles, and roofing materials in pre-1980s buildings.

In the 1980s, the use of asbestos in house siding materials underwent a significant decline, ultimately being phased out by the mid-1980s to early 1990s. This change was largely due to a growing awareness of the severe health risks associated with asbestos exposure, particularly its link to lung diseases and cancers. With increased public concern and regulatory agency involvement, building codes and regulations were updated to restrict the use of asbestos in construction materials.

If you can locate building records, you may be able simply to see what type of tiles (or bonding agent) was used. Any flooring made between 1950 and 1989 more than likely contains asbestos. Asbestos tiles can also be slightly thicker than other tiles and often measure 9” x 9”, 12” x 12”, and 18” x 18. Black mastic was a commonly used adhesive that contains asbestos.

Asbestos was commonly used in cloth wiring, but not all types of cloth wiring contain it. The age, condition, and appearance of the wiring can provide clues as to whether asbestos is present or not, but the only way to know for sure if the wiring has asbestos is to have it tested.

While it's possible to cover asbestos tile with carpet, it's not recommended. Encapsulating tile beneath carpet doesn't eliminate the health risks. Over time, the asbestos tiles could degrade, releasing fibers into the air and potentially contaminating the carpet. Disturbance during carpet installation or removal might also release fibers.

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