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 Raleigh, NC

*The Angi rating for Percolation Testing companies in Raleigh, NC 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 June 26, 2026

Reviewed in June 2026
They performed an initial test, once the results were confirmed the results were clearly explained to me and my husband. A game plan was made and they performed the remediation quickly. A final test was performed to make sure the remediation was successful. It was a very simple process and now...
Clear Path Environmental
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Reviewed in May 2026
had some questions about possible mold testing and removal katelyn was professional and helpful and was able to answer all my questions! pleasure to talk to!
Pure Air North Carolina, LLC
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Reviewed in October 2025
Charlie came over and explained the testing process and the importance of having it done. We have 2 young children and want to make sure the aging house stays safe. He took the time to address all our concerns, was very professional, and did quality work. Would use again in the future.
Stay Gone Radon LLC
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Reviewed in November 2021
Matt and Emory were both very attentive, professional and quick to respond to any call or request! I highly recommend Radon Testing and will continue to use them for yearly testing.
Radon Testing Labs, Inc.
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Reviewed in August 2021
We are a Church and had hired PCI to come out at give us testing on what looked like black mold. Immediately Chris was able to speak to our concerns and offer words of guidance even before he arrived promptly on site the very next day. Chris was punctual and professional right from the 1st...
People's Choice Inspections, LLC
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Reviewed in April 2021
The experience was good. I have nothing to compare it to within this area of service. Dave was nice enough, quick, prompt and professional (in/out in approx. 8 mins. top). Explained the process. Of course the sample tested positive for asbestos. Dave had a list of Abatement contractors handy,...
Enrisco, PC
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Reviewed in August 2019
I needed to get my irrigation backflow tested and certified. They worked me in the same day at a great price
Bio Turf Irrigation, LLC
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Reviewed in April 2018
Not approved to test back flow system in North Carolina.
Conserva Irrigation of The Triangle
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Reviewed in March 2018
They were very professional They listened to my concerns and then told me exactly what tests needed to be done The costs involved and exactly what they would do I will recommend to my friends
Eastern Technical Associates
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Reviewed in January 2017
It wend good. They passed the test and we received a letter from the mold inspector and now we feel good about the condition of our home.
Modern Solutions Waterproofing & Mold Remediation
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Percolation Tests questions, answered by experts

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.

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.

Unfortunately, asbestos is not easily identified and can often be hidden in plain sight in your home. While it can look like fluffy fibers, tiny pieces can also appear in materials like plastic or cement, making it impossible to identify on your own properly.

Plus, since asbestos is so dangerous when disturbed, you should never root around to try and find it. This job is best for a professional who can test for the material properly.

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.

No, an N95 mask will not protect against asbestos and many other hazardous materials, such as carbon monoxide, gas, chemical vapors, and other gases. You will need a respirator specifically designed to protect against asbestos. However, if you suspect asbestos is present in your home, hire an asbestos abatement professional immediately and avoid the area until they arrive for the inspection.

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