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>

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>

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Verified Reviews for Percolation Testing pros in Cudahy, CA

*The Angi rating for Percolation Testing companies in Cudahy, CA 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 March 18, 2026

Reviewed in March 2026
Had Elite Team Builders install new siding on our place in Pomona and could not be more satisfied. They recommended James Hardie fiber cement for its durability and fire resistance, and the finished product speaks for itself. Clean lines, consistent color, and an installation that will clearly...
Elite Team Builders, Inc.
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Reviewed in May 2025
Got my pool plumbing and replaster done by HV and it came out Amazing. Real happy with the results.
H V POOLS AND SPA
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Reviewed in August 2024
I couldn’t be happier with the service Perri provided. He was very detailed in his inspection and cleaning of our chimney. The difference in our fireplace’s performance is night and day. Highly recommend!
Reliable Remodeling Home Services
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Reviewed in January 2023
Great reliable company! Very professional! Jose explained the process of how asbestos needs to be tested in order for things to be safe in my house which made me feel relief.
3J Environmental
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Reviewed in July 2022
I went on Home Advisor & told them I needed Mold Testing. They gave me a list of Companies to select. I reviewed each one & selected "Lake Shorer Inspections & Consulting." In 5 mins.-- Mr. Robert Mogarro gave me a call & set up an appointment for the next day. He was exceptionally...
Lakeshore Inspections
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Reviewed in March 2022
Very helpful, Dave answer my questions and was patient in explaining labs.
Hippo Home Inspections
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Reviewed in May 2017
very fast with testing results
PSR Environmental Consulting Services, Inc.
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Reviewed in January 2015
William explains the uses of asbestos in the modern environments we live in today. Asbestos should be taken seriously, but William informed us well on the subject and the data his test revealed
Laroue Environmental, LLC
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Reviewed in September 2013
Found W.C. on Angie's list and gave him a call and left a message. Walter called back and seemed very knowledgeable about the whole process and offered to come out the next day to have a look at the floors and give me an estimate. Walter showed up on time and measured all the rooms and we sat...
WC Hardwood Flooring Co. Inc.
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Reviewed in February 2007
We had to have these smoke detectors installed professionally. We called a few places and found this company was able to come out the next day. They had a very good price for the job. We were treated very well. He made sure he tested them before he left and he showed us how to properly test...
Bailey Electric Co
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Percolation Tests questions, answered by experts

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.

Many homeowners may never have to test their homes for asbestos. Asbestos particles are only dangerous if they become airborne. If you plan to do construction or notice damage to piping, siding, or drywall, you should hire a specialist to test for asbestos.

If you plan to remodel your home or have any concerns, you should have your home tested for asbestos just to be safe.

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.

If you own a stereo microscope, you should be able to see the fibers. The stereo microscope often can perform magnification up to 50x. But unless you have experience viewing asbestos fibers, you may not know exactly what you are seeing. Some fibers are curly, while others are long and straight. Blue, brown, white, and gray colored fibers are all possible.

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.

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