How long does it take for asbestos to harm you?

• <div>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:<ul><li>Amount of exposure</li><li>Chemical makeup, size, and shape of the asbestos fibers</li><li>Length of time a person is exposed to asbestos</li><li>Genetic factors </li><li>Source of exposure (direct exposure or secondhand exposure from someone directly exposed)</li></ul></div>

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*The Angi rating for Percolation Testing companies in Herculaneum, MO 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 Herculaneum, MO 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 20, 2026

Reviewed in May 2026
DP plumbing operates in the most professional way possible and I would highly recommend to anybody that’s looking for real, honest, good work!
DP Plumbing LLC
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Reviewed in November 2023
I have a household of 4 girls and our bath drains have been slow forever. The Zoom Drain technician explained the situation and tested each fixture to analyze where the clog was and, sure enough when he snaked the sink line, the bathtub drain improved too. He also snaked the tub for good measure...
Zoom Drain St. Louis
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Reviewed in July 2023
I was very pleased with the results and I would definitely call this company again!
StartClean Janitoral llc
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Reviewed in October 2020
Mark and his team are very knowledgeable, professional and hard working. Everything went great! Right from our first contact, Mark was very helpful and listened to our questions and answered them thoroughly. We received out quote quickly. The day they came out to install the equipment to...
Metro Radon Control of St. Louis, LLC
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Reviewed in May 2018
They were very professional to deal with. Initial work and product look great. Hopefully, it will stand the test of time.
Charlton Paving & Slurry Seal, LLC
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Reviewed in April 2018
All four valves were leaking and had to be replaced. The plumber did a leak test after valve replacement to make sure everything was holding properly. He was very professional and thorough.
Bieg Plumbing & Mechanical
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Reviewed in February 2017
Good. Checked functioning and cleared drainage to improve flow. Checked control functions. Called to follow-up after run of cycle to test.
1st Choice Appliance Repair
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Reviewed in July 2015
I had no water and I was worried my well pumped went out since it was 20 years old. Mr Foppe had me run some tests to make sure he needed come out, which I liked. Most people want to charge you for a service call. I landed up needing some new parts and not a pump. He was very prompt on...
FOPPE WELL AND PUMP SERVICE
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Reviewed in May 2015
Was done in a timely manner and they even test drove it to make sure it did not over heat. Pressure also tested for any leaks.
Assured Automotive
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Reviewed in April 2015
The contractor was sick the week of the energy audit and sent an associate from another company. I really appreciated the contractor's concern, but this review is really for the contractor who completed the work. He was on time, but kept getting distracted. He fell into arguing with me...
Peterson Energy Consultants
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Percolation Tests questions, answered by experts

While it's possible to cover asbestos tile with carpet, it's not recommended. Encapsulating tile beneath carpet doesn't eliminate the health risks. Over time, the asbestos tiles could degrade, releasing fibers into the air and potentially contaminating the carpet. Disturbance during carpet installation or removal might also release fibers.

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.

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)

Asbestos itself does not typically leak from a roof. However, if an asbestos-containing roof is damaged or deteriorated, it can release asbestos fibers into the air. This can occur when the roof is disturbed, such as during maintenance or repairs, or due to weathering over time. Exposure to airborne asbestos fibers can be harmful to health, so it is important to address any damaged asbestos roofs promptly and safely.

Asbestos is absolutely cancerous. In fact, around 4% of all lung cancer cases are the result of asbestos exposure. This is why we recommend a full, professional removal and cleaning of any asbestos found in your home. If you are unsure whether there is any present, you should call a pro who will inspect your property.

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