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 Napa, CA 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 04, 2025

Reviewed in June 2025
**"Do not contact him?he?s a complete scammer and unlicensed. I was looking for an air testing service on Angi, and he called me. I explained over the phone that our newly renovated home had a strong chemical smell, so we wanted an air quality test. He said he could do it and asked for a...
Mold & Air Quality Consulting LLC
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Reviewed in December 2024
Manny was extremely responsive, flexible and professional. He and Steve accommodated my delivery schedule to install a new TV with in-wall concealment. Not only did they execute perfectly, Manny and Steve went above and beyond to help us move items, test the new TV and tidy up. Will definitely...
Hernandez AV Hookup
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Reviewed in January 2024
This project is still in process. (Primary bath and kitchen remodel) Grate and creative design by RJ Austin Interior Design. Jennifer has insight knowledge of layout and materials. Jennifer is very easy to work with and listens to our overall vision. Looking forward to finishing this...
RJ Austin Interior Design
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Reviewed in June 2022
Harry was on time and thorough in his job. He identified the problem after a short interview and offered a solution that was acceptable to me. He tested if the solution he did was working and it was. I will hire him again and recommend him to my friends and relatives.
H K & S Plumbing Co.
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Reviewed in March 2022
I looked around for mold testing help for a few days; I threw all of my belongings out according to recommendations online. When Carl arrived, he put my worries to rest and I am so very glad I will have the right test in hand in just a few days. I feel like a huge weight is off of my shoulders....
A1 Certified Environmental
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Reviewed in November 2021
The bathroom tile job is very high quality work. Juan corrected some wall imperfections, suggested some aesthetic improvements to the original tile layout, and completed all the work at a good pace. He was able to start within a few days, and kept me apprised of the progress and changes to the...
Juan Castro Tile
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Reviewed in June 2021
Pro Stone Solutions did a great job of finalizing my kitchen remodel. They did the work in a timely manner with professionalism and care. Gabriel (stone fabrication) and Cristian ( paint contractor) are excellent! I would recommend them highly.
Contractor 2.0
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Reviewed in October 2019
I hired GM painting (habla español) to take care of the interior of my 3 bedroom home and I am glad I did. The improvement of a home it s one of the most important investment and Mr Juan for sure makes you feel comfortable when getting the process of painting done. He is very knowledgeable and...
G M Painting
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Reviewed in June 2019
Rapid response, quick and efficient testing. Cordial with good communication and follow up of related questions. Highly recommend.
Norcal Environmental Management, Inc.
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Reviewed in October 2018
Our service technician was very well versed in plumbing issues. We had a couple of quirky issues with our new home-- one was murky or cloudy water at various faucets throughout the house. Another was warm water coming from the cold faucet late in the afternoon at the main kitchen sink. We...
Oak Plumbing Inc
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Percolation Tests questions, answered by experts

No, but it’s common that they do. Gravity furnaces weren’t terribly efficient so wrapping either the ductwork in asbestos, the furnace itself, or both, was something done regularly. This allowed the system to retain more heat. At the time, this greatly enhanced the efficiency of the furnaces but it wasn’t until later that we became aware of just how carcinogenic and dangerous asbestos could be.

Vermiculite insulation that comes from a particular mine before 1990 is likely to contain asbestos. This is particularly true in the U.S. However, not all types of vermiculite insulation contain asbestos. Since you can't detect the presence of asbestos without special equipment, it's best to assume that the insulation contains the dangerous mineral and to either leave it alone or hire a professional to handle it.

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.

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.

It is strongly advised not to touch or disturb asbestos-containing materials unless necessary. Asbestos fibers can be released into the air when the material is damaged or disturbed, posing serious health risks if inhaled. It is best to leave any handling of asbestos to trained professionals who can remove the asbestos safely.

The Napa, CA homeowners’ guide to percolation testing services

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