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>

Is asbestos commonly found in older homes?

• <div><p>Asbestos is commonly found in certain older homes, depending on the time period in which they were built. Asbestos use in home construction began in the 1920s and peaked after World War II before being limited by legislation in the ’70s, so a house constructed in 1880 is unlikely to contain asbestos, while one built in 1950 is much more likely to. Research a home’s history to determine the time period when it was built and any renovations made since. </p></div>

Is it safe to cover an asbestos popcorn ceiling?

• <div><p>Some pros may recommend covering a popcorn ceiling that tests positive for asbestos with beadboard ceiling planks or drywall. The <a href="https://www.angi.com/articles/cost-to-install-beadboard-over-popcorn-ceiling.htm">cost to install a beadboard ceiling</a> averages more than $5,000, but you likely will pay more than the average for the installer to deal with the asbestos safely. Installing a beadboard ceiling or new drywall will disturb the asbestos and release some microscopic fibers, so the installer will need to take precautions. </p></div>

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*The Angi rating for Percolation Testing companies in Humboldt, AZ 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 October 01, 2025

Reviewed in October 2025
Fast, Reliable, very reasonable and did an excellent job. Thank you Burchill’s Plumbing.
Burchill's Plumbing, LLC
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Reviewed in October 2024
We have an EcoWater RO System that needs filters to be replaced. An appointment was scheduled with Parker & Sons for October 25, 2024. Based on the age and the issues we were having the Parker & Sons technician made the diagnosis that the unit was bad and suggested that we needed to replace it...
Parker & Sons
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Reviewed in August 2023
Quick response, quick appointment, quick results.
Arizona Indoor Air Quality and Environmental Testing, LLC
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Reviewed in May 2020
Great....replaced the hot/cold valve's at the washing machine, checked all connections, and tested for leaks. Patched the drywall area that was effected by the leak/bad valves too. Assessed two old toilet water intake lines (at my request) and able to replace during the visit as well as one...
A Miracle Man Plumbing
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Reviewed in May 2018
If you want to pay $932.00 to test only your 2 arc circuit breakers, they are your men. Fixing comes later. They carry a price book to show you!
S & M Electric, Inc.
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Reviewed in August 2016
Excellent. Crew of three arrived early in morning, tested current leakage, cleaned and sealed the air duct system (and added return for office) and completed by end of day, ending test showed improvement of more than 97%. Very effective and professional and I would not hesitate to recommend....
Arrowseal
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Reviewed in April 2015
Testing was thorough and quick. <br />
Gesundheit Air Quality Services
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Reviewed in March 2009
1. For the faulty septic lines, there was extensive excavation required and replacement of incorrectly used materials during the original construction by the original contractor. 2. After replacing the septic lines, the contractor back filled the excavated areas 3. Contractor thoroughly...
ERIKSSON SERVICES
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Reviewed in March 2006
Company was on time and worked diligently on project. Full explanation was provided on what to expect after cleaning the carpet. They tested the cleaning first on grout/tile in laundry room before we approved cleaning. We are pleased with overall results. One note: Our job entailed moving our...
Accent American Inc
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Percolation Tests questions, answered by experts

If you suspect exposure to asbestos, prioritize seeking medical advice by informing your healthcare provider about the potential exposure with clear details about the circumstances that led to the exposure. Regular health check-ups and screenings if you work in high-risk industries or live in a home with asbestos are essential for early detection of any asbestos-related conditions. You should also consider consulting occupational health experts or legal professionals for guidance on potential next steps and preventive measures.

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 is commonly found in certain older homes, depending on the time period in which they were built. Asbestos use in home construction began in the 1920s and peaked after World War II before being limited by legislation in the ’70s, so a house constructed in 1880 is unlikely to contain asbestos, while one built in 1950 is much more likely to. Research a home’s history to determine the time period when it was built and any renovations made since.

Asbestos testing takes place in two stages—collection and lab testing. Collection can take less than 20 minutes if a professional manages to get a direct sample. If air samples are required, then the pro will set up a testing device and return to collect it. In both cases, the sample is sent to a lab and results are confirmed or denied usually within one to two days.

Some pros may recommend covering a popcorn ceiling that tests positive for asbestos with beadboard ceiling planks or drywall. The cost to install a beadboard ceiling averages more than $5,000, but you likely will pay more than the average for the installer to deal with the asbestos safely. Installing a beadboard ceiling or new drywall will disturb the asbestos and release some microscopic fibers, so the installer will need to take precautions.

The Humboldt, AZ 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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