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>

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Q: Does knob and tube wiring have asbestos?

• <div><p>Knob and tube wiring is an older type of electrical wiring that's no longer used and <a href="https://www.angi.com/articles/knob-and-tube-electrical-wiring-safe.htm">generally not considered safe</a>. 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.</p></div>

Q: Does all cloth wiring contain asbestos?

• <div><p>Asbestos was commonly used in cloth wiring, but not all types of cloth wiring contain it. The age, condition, and appearance of the wiring can provide clues as to whether asbestos is present or not, but the only way to know for sure if the wiring has asbestos is to have it tested.</p></div>

Q: What does air quality testing include?

• <div><p>Services test for allergens, mold, VOCs, and carbon monoxide levels to ensure a healthy indoor environment.</p></div>

Q: When did they stop using asbestos siding on houses?

• <div><p>In the 1980s, the use of asbestos in house siding materials underwent a significant decline, ultimately being phased out by the mid-1980s to early 1990s. This change was largely due to a growing awareness of the severe health risks associated with asbestos exposure, particularly its link to lung diseases and cancers. With increased public concern and regulatory agency involvement, building codes and regulations were updated to restrict the use of asbestos in construction materials. </p></div>

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Verified Reviews for Percolation Testing pros in Afton, IA

*The Angi rating for Percolation Testing companies in Afton, IA 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 Afton, IA 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 25, 2026

Reviewed in May 2026
Hired this company for a little dirt work project. Great communication. Was able to he worked in quickly. Quality work. Highly recommend.
Goldsmith Industries LLC
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Reviewed in July 2025
Our installer was extremely friendly and helpful. He was on time, cleaned up his messes and best of all got the work done in a single day. He took his time to figure out where to put the seat and the best height.
Mad City Windows & Baths
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Reviewed in June 2024
Very knowledgeable and efficient with excellent communication skills
Bortell Property Inspections
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Reviewed in May 2024
Did an excellent job. Very personable. Did not over charge and gave good advice.
Trevor's Tree Service
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Reviewed in May 2022
It went very well and smoothly. I will recommend this company over and over again. They cleaned everything up. I wanted to keep the larger pieces, they just picked them up and put them where I wanted. 6 guys and a bunch of equipment and knowledge.
Xtreme Tree Inc
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Reviewed in April 2022
The project was top notch. Not only did they consistently show up on time, but they finished the project early and were willing to reschedule the final walkthrough multiple times to accommodate our schedule. Final project turned out great!
Graham Home Inspections LLC
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Reviewed in September 2021
Strong attention to detail, very neat, and quality work.
Tammy Stuart
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Reviewed in August 2021
Excellent, excellent, excellent customer service. This company was willing to come back to the house and do touchups as needed.
Decoraciones interiores de A&A
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Reviewed in June 2021
Good. I just do not know how to make connect with Kearney via your website so I can get set up with them? I do not have a smartphone so I could not pay them via that method but I have never paid any other contractor that way either. Usually they just do the work and bill you, you withdraw the...
Kearney Lawn Care
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Reviewed in February 2021
They came right out to see what was wrong, diagnosed the problem and found a motor to replace the non-working one. Had to come out the next day and took about half an hour to fix everything the way it should be. We've been customers for many years and we're always very satisfied with the service...
Holt Plumbing & Heating Inc
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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.

Asbestos was commonly used in cloth wiring, but not all types of cloth wiring contain it. The age, condition, and appearance of the wiring can provide clues as to whether asbestos is present or not, but the only way to know for sure if the wiring has asbestos is to have it tested.

Services test for allergens, mold, VOCs, and carbon monoxide levels to ensure a healthy indoor environment.

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 1980s, the use of asbestos in house siding materials underwent a significant decline, ultimately being phased out by the mid-1980s to early 1990s. This change was largely due to a growing awareness of the severe health risks associated with asbestos exposure, particularly its link to lung diseases and cancers. With increased public concern and regulatory agency involvement, building codes and regulations were updated to restrict the use of asbestos in construction materials.

The Afton, IA homeowners’ guide to percolation testing services

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