How long does it take for asbestos to harm you?

• <div><p>According to the National Cancer Institute, asbestos-related diseases can take anywhere from <b>10 to 40 years</b> for symptoms to appear. The health risks increase with prolonged and heavier exposure. Risk factors also include:</p><ul><li><p>Amount of exposure</p></li><li><p>Chemical makeup, size, and shape of the asbestos fibers</p></li><li><p>Length of time a person is exposed to asbestos</p></li><li><p>Genetic factors </p></li><li><p>Source of exposure (direct exposure or secondhand exposure from someone directly exposed)</p></li></ul><p></p></div>

Do I have to worry about a new popcorn ceiling having asbestos?

• <div><p>No, you do not have to worry about new popcorn ceilings having asbestos. All residential building materials used since the mid-1980s stopped including asbestos, so new popcorn ceilings have no risk of asbestos. You can still <a href="https://www.angi.com/articles/cost-to-texture-drywall.htm">create a textured drywall ceiling</a> with a popcorn texture if you like, but new techniques have no risk of adding asbestos. </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 Chatsworth, 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 Chatsworth, 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 10, 2026

Reviewed in May 2026
I had an excellent experience with Mold Dwelling Testing. From the first phone call to the final report, the entire process was professional, smooth, and stress-free. Their team was responsive, knowledgeable, and took the time to explain everything clearly. They answered all of my questions...
Mold Dwelling Testing
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Reviewed in December 2025
We had weird smell and spotting in my main bathroom. Spoke with David and set someone to my property the same day, very flexible for the time. After the inspection, I got my test results and then I focus on getting treatment asap. They were honest and very helpful with my situation. They were...
Pure Air Mold Testing
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Reviewed in December 2025
I recently had mold testing done in my master bedroom, and the service was exceptional from start to finish. The technician was professional, knowledgeable, and thorough in every part of the inspection. They arrived on time, explained the entire testing process clearly, and made sure I...
Pure Air Mold Testing
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Reviewed in December 2022
I used this company for mold testing at my house. They came the same day! They were very professional, checked everything right away gave me good results for the next step. Would definitely recommend them for any mold inspection!
Mold Inspection Pro
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Reviewed in May 2022
Property Health was great in doing the asbestos testing I needed. They responded quickly and were able to schedule a test with relatively short notice. I would recommend to anyone who needs such work done quickly.
PropertyHealth, Inc.
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Reviewed in October 2021
Socalgas indicated we had a gas leak in the yard line beyond the meter. Samir tested it with an air pressure meter and confirmed the leak. He and his crew dug a trench 250 feet from the meter to the pool heater with a branch line to the barbecue. He installed a 1 1/2 inch gas line with 3/4 inch...
Bluesky Plumbing
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Reviewed in May 2019
They did a fantastic job in getting the testing done quickly . They were able to accommodate my schedule and I received the report the next day.
PSR Environmental Consulting Services, Inc.
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Reviewed in April 2019
Perfect experience from beginning to end! From the first interaction, the quote response was fast, professional and clear. Inspection is extremely detailed and thorough, and it's obvious they are very passionate and takes pride in their work. I most definitely felt that they had my best interest...
Home Enviro, LLC
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Percolation Tests questions, answered by experts

While asbestos can’t be directly absorbed through the skin—the fibers are too big—skin contact can still produce symptoms. Contact dermatitis can flare up in sensitive individuals but in most cases, the danger from asbestos comes from inhaling the fibers, or dust, that is produced when asbestos is disturbed. If you touch asbestos by accident, immediately wash yourself and your clothes.

According to the National Cancer Institute, asbestos-related diseases can take anywhere from 10 to 40 years for symptoms to appear. The health risks increase with prolonged and heavier exposure. Risk factors also include:

Amount of exposure
Chemical makeup, size, and shape of the asbestos fibers
Length of time a person is exposed to asbestos
Genetic factors
Source of exposure (direct exposure or secondhand exposure from someone directly exposed)

In the event of suspected or confirmed asbestos contamination on the body, it is imperative to take immediate measures to reduce health risks. To avoid further exposure, carefully remove contaminated clothing and shower thoroughly to remove any asbestos fibers. Seek prompt medical attention, and inform your healthcare professional about your suspected asbestos exposure. Since asbestos-related health issues can take years to surface, regular medical check-ups are advised for anyone with a history of exposure.

No, you do not have to worry about new popcorn ceilings having asbestos. All residential building materials used since the mid-1980s stopped including asbestos, so new popcorn ceilings have no risk of asbestos. You can still create a textured drywall ceiling with a popcorn texture if you like, but new techniques have no risk of adding asbestos.

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 Chatsworth, CA homeowners’ guide to percolation testing services

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