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 Boone, 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 Boone, 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 08, 2026

Reviewed in February 2026
Type of work above is misleading but I had to choose one of them. Ben and Tim came on short notice in bad weather to install a kitchen sink faucet, disposal and air button, replace cabinet trim and troubleshoot faulty vent hood flapper. They were very prompt, professional and great guys to...
B&N Building
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Reviewed in December 2025
Eddie and his team were great to work with. They explained everything in a way that I could understand and tested our water right on site during the initial meeting. When the guys came for installation day, you couldn't even tell there had been workers drilling holes and walking around our...
North Carolina Water Consultants
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Reviewed in June 2025
took sample on Friday, results back on Wednesday, 5 days later. they put me in touch on the same phone call with a remediation company.
Mold Test Company NC
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Reviewed in July 2019
He was very thorough and friendly. The remediation of a small mfg home about 900 sf was going to cost almost 5,000.00 plus the testing was 185.00. Just cant swing that price.
Grimes Solutions, LLC
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Reviewed in March 2017
They are thorough and do a good job explainin all the tests that were run and their results.
EcoGreen Lighting, Electric, Water & Air Company
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Reviewed in November 2013
We first called Pro-Tech to inquire about mold remediation, which means getting someone to your house to inspect a mold problem. Pro-Tech is an environmental group and they do not and quot;fixand quot; mold problems, they inspect, take air samples, and tell you when you are mold free. They...
ProTech Repair & Restoration
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Reviewed in June 2012
Initially, we needed a plumber who could resolve a septic gas odor in a house that was under contract. After doing my research on Angie's list, we selected Vannoy and Lankford to meet with the realtor and myself at the house. Rick quickly identified the most likely problem as a bad seal on the...
Vannoy Lankford Plumbing Company Inc
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Reviewed in May 2012
The experience was very good. They explained how they tested the gold and it was a quick transaction.
GOLD KING
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Percolation Tests questions, answered by experts

Federal law doesn’t require homeowners to disclose the presence of asbestos in their home, but some states and local municipalities may require it. That is why it’s important to test an older home for asbestos and other health hazards before moving forward with a sale.

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.

Knob and tube wiring is an older type of electrical wiring that's no longer used and generally not considered safe. However, some homes still have it, or may have a knob and tube wiring system that was incorrectly modified or rigged to work with a modern electrical system. Knob and tube wiring may contain asbestos insulation, but the only way to know is to have the material professionally tested.

You can tell if old flooring has asbestos if thick black flooring adhesive is underneath the tiles. However, homeowners should not cut into linoleum floors to look for this adhesive. Instead, hiring a specialist to test the floors is the only safe way to determine if old flooring has asbestos.

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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