What are the signs of asbestos?

• <div><p>Unlike some home problems, such as water damage or pest infestations, asbestos can be very difficult to spot. Asbestos is a mineral in the form of microscopic fibers and was previously used in building materials for its bonding and fireproofing abilities. Insulation, roof shingles, ceiling tiles, floor tiles, pipe wrappings, soundproofing materials, and textured paint features like popcorn ceilings are common sources of asbestos, particularly in homes built before 1980.</p><p>Age is perhaps the biggest indicator of asbestos, as legislation passed in the 1970s labeled asbestos as dangerous and regulated its use in building materials. Signs of age in the form of wear and tear or material degradation are also indicators that asbestos fibers may be leaking into the air, but ultimately, it’s difficult to detect with the naked eye. If you have reason to suspect asbestos in your home, it’s best to hire a certified asbestos inspector.</p></div>

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Verified Reviews for Percolation Testing pros in Hillsborough, CA

*The Angi rating for Percolation Testing companies in Hillsborough, CA 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 Hillsborough, CA 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 September 21, 2020

Reviewed in September 2020
Mr. Gonzales replaced my 2 rainbird sprinklers in my garden. He tested them to my satisfaction so the spray range was very accurate. Mr. Gonzales did a great job.
Gonzalez Countryscapes and Landscape Management, Inc.- Unlicensed Contractor
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Reviewed in June 2019
He arrived on time; with all his equipment in good working order. His testing for mold was through and the lab responded quickly. I would have appreciated a bit more explanation of the report I received but the money was well spent.
A1 Certified Environmental
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Reviewed in January 2019
I think they did a pretty good job. They installed the system, we went through several test runs. We did get them to call back to get the temperature balanced. I would recommend them.
HVAC Gurus
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Reviewed in October 2017
MOLD ELIMINATORZ WAS EXCELLENT !! ANTHONY THE OWNER CALLED IMMEDIATELY AND TOOK CARE OF MY PROBLEM, HE WAS VERY PROFESSION, EXTREMELY THOROUGH AND VERY HONEST, HE DROVE UP SAME DAY FROM ANAHEIM TO SANTA MONICA AND I RECEIVED EXCELLENT RESULTS FROM THE TREATMENT HE RECOMMENDED. WHAT CAUSED ME...
SV Restoration
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Reviewed in November 2016
Prior owners thought weekly service was fine. Pre-purchase inspection seemed a little thin for the price, and given the fact they had been servicing the pool for years. However, it was substantially accurate, timely and respectfully delivered. As part of the inspection, Hills provided a bid for...
HILL'S POOL SVC INC
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Reviewed in October 2015
They came to do an inspection but they didn't find anything urgent to be fixed. They did give me an estimate and gave me good recommendations on tests to be done before the rainy season starts. They were not pushy. The only downside they have, for what I read and experienced is their...
RoofRx, Inc.
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Reviewed in July 2015
Nick was very careful and methodical, trying everything possible to determine the cause of the leak-- like detaching the light fixture from the ceiling in order to look into the ceiling cavity with a flashlight and running water through the tub in several ways in order to puzzel out the source...
Atlas Plumbing & Rooter
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Reviewed in May 2015
During my kitchen remodeling we discovered that there was a mold behind kitchen cabinets. I called several companies which recommended a hygienist to come in and do the mold tests. However, since the mold was visible I needed the company which actually provides immediate remediation. When I...
Fire & Water Damage Recovery
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Reviewed in April 2015
I needed multiple units tested in a multi-unit apartment building and he gave me an excellent deal. Curtis was professional and explained the needed procedures well. His customer service is excellent and follows-up with every project.
Curtis Roberts Mold Inspection
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Reviewed in May 2014
Summary: <br /> Kitchen sink clogged, I tried snaking it myself with 25ft snake a couple times, but didn't resolve it. <br /> Plumber tried with his 25ft snake, no luck. So he brought in the bigger one and 40ft cleared it. <br /> Details: <br /> Andrew was very professional and...
Bell Plumbing
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Top-Rated Percolation testing pros in Hillsborough - Updated Nov 2026

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Percolation Tests FAQs, answered by experts

Many homeowners may never have to test their homes for asbestos. Asbestos particles are only dangerous if they become airborne. If you plan to do construction or notice damage to piping, siding, or drywall, you should hire a specialist to test for asbestos.

If you plan to remodel your home or have any concerns, you should have your home tested for asbestos just to be safe.

Asbestos was most commonly produced and integrated into building products from the 1920s to the late 1980s. In reality, asbestos use should have ceased much sooner because asbestos was linked to cancer in studies produced as early as the 1950s. You can even extend that number past the 1980s due to stockpiled materials and because some countries treat asbestos use differently. It may also be found more in commercial applications than residential.

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 a carcinogen, meaning it increases the risk of cancer. Inhaling asbestos fibers is linked to several respiratory issues, including asbestosis, or scarring on the lungs, lung cancer, and mesothelioma, another type of cancer. There's also a link between asbestos exposure and an increased risk of colon cancer and other cancers of the digestive system.

Usually, the people most at risk for disease related to asbestos exposure are those who spend a lot of time working around the material without protection. Electricians who work with asbestos wire have a higher risk of developing mesothelioma or lung cancer due to their exposure.

Unlike some home problems, such as water damage or pest infestations, asbestos can be very difficult to spot. Asbestos is a mineral in the form of microscopic fibers and was previously used in building materials for its bonding and fireproofing abilities. Insulation, roof shingles, ceiling tiles, floor tiles, pipe wrappings, soundproofing materials, and textured paint features like popcorn ceilings are common sources of asbestos, particularly in homes built before 1980.

Age is perhaps the biggest indicator of asbestos, as legislation passed in the 1970s labeled asbestos as dangerous and regulated its use in building materials. Signs of age in the form of wear and tear or material degradation are also indicators that asbestos fibers may be leaking into the air, but ultimately, it’s difficult to detect with the naked eye. If you have reason to suspect asbestos in your home, it’s best to hire a certified asbestos inspector.

The Hillsborough, CA homeowners’ guide to percolation testing services

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