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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*The Angi rating for Percolation Testing companies in West Allis, WI 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 West Allis, WI 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 December 02, 2025

Reviewed in December 2025
Very professional. Talked with Todd the owner. He was very knowledgeable and hesitant to give me an estimate to remove the flooring if tested positive. I pushed the issue and sent him photos and dimensions of the room. He came back with an estimate. The price he gave me for testing and removal...
Umbrella Environmental
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Reviewed in November 2025
This was a test cleaning to determine whether to continue using service. The cleaning covered two bathrooms kitchen and dining area. Work took one hour and twenty minutes. Cleaning was fine but outrageous fee of $280 dollars for such a short time.
D Exquisite Cleaning
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Reviewed in May 2025
As soon as we sent out the need for testing, they had called right away on a Sunday, and the owner was able to book an appointment for the next day for testing! He tested every floor, and expedited the testing for us to ensure we knew the results right away. We are really grateful for how quick...
Red Diamond Mold Remediation and Lead Abatement, LLC
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Reviewed in August 2021
Despite web site that promises free estimates for work, charges for tests necessary to create that estimate. Tests are conducted through mail order lab, with Biological charging several times the cost of using the lab directly, then bragging about how they are so expensive. Care plan is vague...
BIOLOGICAL LAWN & LANDSCAPE
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Reviewed in February 2021
Very impressed with the professionalism and knowledge by Brian Leffler who did the initial estimate and drain tile test; by the office personnel to include Natasha who kept me updated on date and times for the work to be done; to the crew who were very efficient, great workmanship and respectful...
Accurate Basement Repair
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Reviewed in March 2020
Fast response and test results! Easy to work with.
Skeleton Key, LLC
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Reviewed in October 2019
Everything went great, the technician did all the required tests. Doug the technician was a really nice guy and explained everything as he went. I will be hiring Kettle Moraine Heating & Air Conditioning again for next years check up! Very reasonable price.
KETTLE MORAINE HEATING & AIR CONDITIONING LLC
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Reviewed in December 2015
Very professional and explained what the test was and what should happen after we received the results
Peak Home Inspections, LLC
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Top-Rated Percolation testing pros in West Allis - Updated Nov 2026

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Percolation Tests FAQs, answered by experts

Do not panic if you are exposed to asbestos. The illnesses associated with asbestos exposure are rare. If you are concerned about exposure, talk to your doctor, especially if you are having any respiratory symptoms, such as coughing or difficulty breathing. They may recommend imaging to get a view of the insides of your organs and determine if scarring or growths are present.

Whether or not to buy a home containing asbestos is ultimately a decision for the homebuyer, and there are several things to consider. When in good condition and contained, asbestos is unlikely to present a health risk—it’s when those tiny fibers are loose and airborne that they become a problem. Consider any renovations you plan on doing to the home that could disturb existing asbestos and the cost of removal. If an inspection finds asbestos in a home on the market, you could negotiate with the seller for a lower price, though this isn’t a sure thing.

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 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.

Typical methods for asbestos removal include encapsulation, enclosure, and complete removal.

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