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>

What does asbestos do to humans?

• <div><p>When asbestos fibers become airborne, they enter a person's respiratory system. These fibers scar and damage the lungs and often lead to serious cancers like mesothelioma. Like many dangers in the house, asbestos isn’t easy to see when it could be causing serious damage. The amount of time exposed, combined with the person’s tolerance for asbestos inhalation and the amount inhaled, will all contribute to health problems.</p></div>

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*The Angi rating for Percolation Testing companies in Hanford, CA 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 Hanford, CA 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 May 18, 2026

Reviewed in May 2026
My Pro was extremely knowledgeable, courteous patient and professional. He came introduced himself explain how he’s going to fix a problem, went straight to work on it and conquered it. I would definitely use him again and recommend him to anyone with plumbing problems.
Knockout plumbing
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Reviewed in October 2025
The pro did an excellent job explained how to clean the pool and how to keep it clean. Customer service was great.
EverBlue Pool Services
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Reviewed in July 2024
Very prompt. Came out did estimate, next day full house power wash, then whole house paint. Painters were clean, courteous, always early. They were knowledgeable and helpful. Great overall experience will use again.
Milne's Painting
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Reviewed in August 2023
Greetings; First, Charlotte started the job assignment with excellent communication interaction skills. She initially contacted me with questions and / or possible concerns before her arrival time and date. Second, and most important, she arrived on time and ready to begin the project. ...
Charlotte's Web
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Reviewed in May 2023
They gave me a fair quote and completed the job on the spot (leaky valve, requiring some digging and undoing a galvanized pipe, plus two more valves replaced).
Torres Plumbing
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Reviewed in May 2023
Great attention to detail for my bathroom remodel! Highly recommend!
DAC, Inc.
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Reviewed in June 2021
Couldn't have been a better experience! VERY professional and I was surprised how reasonable the price. Lee's will be my new "go to" for future plumbing issues.
Lee's Roofing
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Reviewed in March 2020
Having a gas leak is scary but it lead to the the best experience I have had with a home repair in my 17 years of living in and owning a home in the valley. The repair person was responsive to my phone calls, listened to my concerns, and gave me a high and low estimate by phone. The high...
Drain Guru Plumbing Services inc
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Reviewed in August 2013
I had taken the 04 Honda Accord to another shop for a diagnostic. Though it was cheaper, by almost half, they said they couldn't find the problem and would need to run several more tests, possibly another 200-300, to find a fix. This shop has a great reputation (even has a weekly radio show),...
ZYLSTRA AUTOMOTIVE
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Percolation Tests questions, answered by experts

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.

Regulations require certified professionals for removals and disposal in compliance with local and federal guidelines, ensuring safety and legality.

Vermiculite insulation that comes from a particular mine before 1990 is likely to contain asbestos. This is particularly true in the U.S. However, not all types of vermiculite insulation contain asbestos. Since you can't detect the presence of asbestos without special equipment, it's best to assume that the insulation contains the dangerous mineral and to either leave it alone or hire a professional to handle it.

When asbestos fibers become airborne, they enter a person's respiratory system. These fibers scar and damage the lungs and often lead to serious cancers like mesothelioma. Like many dangers in the house, asbestos isn’t easy to see when it could be causing serious damage. The amount of time exposed, combined with the person’s tolerance for asbestos inhalation and the amount inhaled, will all contribute to health problems.

Sampling typically takes 1-3 hours, and depending on the provider, lab results are available within 2-7 days.

The Hanford, CA homeowners’ guide to percolation testing services

From average costs to expert advice, get all the answers you need to get your job done.

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