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 Marion, IA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Percolation Testing needs.

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Last update on August 15, 2025

Reviewed in August 2025
As a nervous first-time homeowner, I thought I'd better get an asbestos inspection on my old house just to be safe. I sent a message to Tanner, who called back and spent nearly 20 minutes with me, answering my questions and talking me through his rationale for NOT doing an asbestos...
Midwest Indoor Air Quality & Associates
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Reviewed in July 2023
Very curious, helpful, polite and efficient Will utilize their service on future plumbing projects. Cost effective.
Brad A'Hearn Plumbing Services LLC
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Reviewed in March 2023
We love our new shower that was installed by Mad City! We have an older home that has it’s own set of challenges and they rose to the test with each one they came across. The installers were quick, efficient and communicated with us as they went along. They were very courteous and cleaned up...
Mad City Windows & Baths
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Reviewed in March 2023
Ground Zero Home Inspections provided a comprehensive and detailed report of my home inspection. The free radon test and water test were a great added bonus and saved me money in the long run.
Ground Zero Inspections
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Reviewed in April 2022
Good company but sometimes you have to watched them very closely to get the job done the way you want it especially with Pot but we had a good communication with them and they did the job the way it supposed to be done.
EA Homes
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Reviewed in April 2022
This guy is the best he just nailed the projet like 123 with an affordable price I highly recommend this guy to anyone who need an plumbing.
Sal's Plumbing
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Reviewed in February 2020
I would recommend Pure Maintenance of Iowa, LLC over any other mold remediation company I corresponded with most recently and for a number of reasons for which are and should be important to all consumers looking for knowledgeable and integrity based information & guidance relating to a problem...
Pure Maintenance of Iowa
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Reviewed in February 2016
The immediate contact from company rep through Angie's List went well and they had someone out to give an accurate estimate right away. This person did a good job of explaining the process and answering our questions. Because it was the time of the year it was we were able to schedule the work...
Absolutely Dry Basement Waterproofing
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Reviewed in June 2015
My initial service request was to have a clogged pipe cleared that was causing water to backup in the drain of a finished basement. <br /> This was accomplished in a profession and timely manner. <br /> While Sean was here, I asked that he check our original construction sump pump. He tested...
Master Plumbing, Heating & Cooling
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Reviewed in May 2013
Edgewood Animal Hospital are a little expensive but I don't know if that is the norm around here. They are very friendly and they are good at answering your questions and they are good at providing advise. I do think they over recommend tests but they are the experts, so I rely on what they say.
Edgewood Animal Hospital
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Percolation Tests questions, answered by experts

Typical methods for asbestos removal include encapsulation, enclosure, and complete removal.

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.

It is not recommended to drill into asbestos siding because doing so can release hazardous asbestos fibers into the air. The safest way to handle asbestos-containing materials is to have a professional remove or encapsulate them.

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.

It can be safe to live in a house with asbestos as long as the asbestos-containing materials are intact, in good condition, and not disturbed. Asbestos becomes dangerous only when its fibers are released into the air, which happens if the material is damaged, crumbling, or disturbed during renovation work. If you suspect asbestos is present, do not disturb it. Instead of removal, materials in good condition can sometimes be encapsulated. It is recommended to have regular professional inspections to monitor the condition of the asbestos and prevent health risks from potential exposure.

The Marion, IA 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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