Is asbestos siding dangerous?

• <div><p>Asbestos siding can be dangerous, but it doesn't necessarily pose a health risk if it's in good condition and left undisturbed. The danger comes from inhaling asbestos fibers, which can be released if the siding is damaged, deteriorating, crumbling, or disturbed during remodeling or repairs. Exposure to these airborne fibers can cause serious, life-threatening diseases like asbestosis (lung scarring), mesothelioma (an aggressive cancer), and other lung cancers.</p><p>If your asbestos siding is intact, the general recommendation is to leave it alone. However, if it's damaged or you plan to renovate, it's crucial to handle it safely. Due to the significant health risks and the difficulty of containing the fibers, it is not recommended to perform any asbestos work yourself. Instead, you should hire a professional asbestos removal company to inspect, repair, encapsulate, or remove the material. The presence of asbestos can also negatively impact your property's value.</p></div>

How do you identify asbestos tiles?

• <div><p>If you can locate building records, you may be able simply to see what type of tiles (or bonding agent) was used. Any flooring made between 1950 and 1989 more than likely contains asbestos. <a href="https://www.angi.com/articles/how-to-tell-if-you-have-asbestos-floor-tile.htm">Asbestos tiles</a> can also be slightly thicker than other tiles and often measure 9” x 9”, 12” x 12”, and 18” x 18. Black mastic was a commonly used adhesive that contains asbestos.</p></div>

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*The Angi rating for Percolation Testing companies in Middleton, WI 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 January 06, 2026

Reviewed in January 2026
Jacob from Southport came out for an on-site inspection of my furnace. He inspected the unit and ran a full set of tests for functionality. I received detailed answers to all my questions, and it was overall a great visit.
Southport Home Services
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Reviewed in September 2023
Doug was extremely thorough and thoughtfully answered all of our questions during the lead investigation and once we had the report. Would definitely recommend for residential lead testing.
Testudo LLC
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Reviewed in June 2022
Rapid response. Testes for the presence of mold. Test indicated none was present. The
Rapid Response Remediation
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Reviewed in March 2022
They did a radon test in a timely fashion. I am going to hire them to do a mitigation service for my ho,e.
Lifetime Home Services
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Reviewed in December 2020
They contacted me promptly, and we made an appt for an estimate. It got delayed a week due to person being exposed to person with COVID. We waited for test results, and he came late the next week. Mold was a small amount to be removed. The workers were masked, polite and finished within an hour.
SERVPRO of Dane County West
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Reviewed in October 2017
no more water leaks but the real test will be next spring.
Tri State Basement Repair
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Reviewed in September 2016
They were significantly cheaper than any other quote i received on this job, their communication was great, and they did what they said they would do when they said they would do it - something that is unfortunately not very common in this business apparently. They made something I knew nothing...
Environmental Construction Services, Inc.
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Percolation Tests questions, answered by experts

Asbestos siding can be dangerous, but it doesn't necessarily pose a health risk if it's in good condition and left undisturbed. The danger comes from inhaling asbestos fibers, which can be released if the siding is damaged, deteriorating, crumbling, or disturbed during remodeling or repairs. Exposure to these airborne fibers can cause serious, life-threatening diseases like asbestosis (lung scarring), mesothelioma (an aggressive cancer), and other lung cancers.

If your asbestos siding is intact, the general recommendation is to leave it alone. However, if it's damaged or you plan to renovate, it's crucial to handle it safely. Due to the significant health risks and the difficulty of containing the fibers, it is not recommended to perform any asbestos work yourself. Instead, you should hire a professional asbestos removal company to inspect, repair, encapsulate, or remove the material. The presence of asbestos can also negatively impact your property's value.

Asbestos fibers can stay airborne for 48 to 72 hours, depending on the home's ventilation. Fibers can linger longer in enclosed spaces with poor airflow. Because the fibers are microscopic, they can easily remain suspended, making them difficult to detect without professional equipment.

If you can locate building records, you may be able simply to see what type of tiles (or bonding agent) was used. Any flooring made between 1950 and 1989 more than likely contains asbestos. Asbestos tiles can also be slightly thicker than other tiles and often measure 9” x 9”, 12” x 12”, and 18” x 18. Black mastic was a commonly used adhesive that contains asbestos.

The Environmental Protection Agency (EPA) banned the use of asbestos pipe insulation in certain applications in 1975. It released further bans in 1989 and 2019. While asbestos pipe insulation was common from the 1930s to 1970s, its use fell off after the 1970s due to public concern and the EPA's actions.

Federal law doesn’t require homeowners to disclose the presence of asbestos in their home, but some states and local municipalities may require it. That is why it’s important to test an older home for asbestos and other health hazards before moving forward with a sale.

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