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>

Do all popcorn ceilings have asbestos?

• <div><p>No, not all popcorn ceilings have asbestos, but a vast majority do. The Environmental Protection Agency (EPA) banned its use in 1973, although it still may have been used up through the early ‘90s. But, in general, homes built or remodeled before the early ‘80s likely utilized materials with asbestos. That being said, a professional test is the only way to determine for sure.</p></div>

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*The Angi rating for Percolation Testing companies in Temple City, 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 September 18, 2025

Reviewed in September 2025
Pool looks amazing! I couldn't ask for anything more. Chemicals tested weekly, pool inspected and thoroughly cleaned each week.
Pool Care Services
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Reviewed in February 2025
Overall great experience from this company. They installed a bathroom faucet as well as a toilet for me. Clean and efficient service. I will definitely do business with them again.
Buddy's Plumbing and Rooter, Inc.
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Reviewed in September 2022
Mereson enviromental services worked with me and my difficult schedule to arrange the testing and inspection of my project. Excellent customer service! They came out and efficiently inspected the property and gathered samples. Test results were available quickly and I was contacted by them to...
Mereson Environmental Services
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Reviewed in February 2019
A-1 did an excellent job testing mold in my residence and explaining risk factors and potential remediation that may or not be needed. Very professional service, highly recommend!
A1 Certified Environmental
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Reviewed in October 2017
Mike was extremely courteous and thorough with his testing. He explained how the testing device worked and the readings it produced.
Kurtis Environmental
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Reviewed in August 2016
David from HERS RATER LA was immediately responsive when contacted, and was able to schedule given the short notice, a certification appointment within the week, which was critical since there was a pending inspection from the city inspector the week after. <br /> <br /> Prior to the...
HERS Rater LA/HouseSmart Green Solutions
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Reviewed in July 2015
I used Marble and Stonelife because of favorable Angie's List reviews and was not disappointed. Chris Chai is really into stone. It shows in the pride he takes in his work. Chris and his helper cleaned, polished and resealed our granite kitchen counters, replaced the caulking that was done...
Marble & Stonelife
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Reviewed in March 2015
This company is very willing to correct anything and basically did a good job. My house was built in 1927. They explained, after they started painting and when I realized they weren't doing any sanding preparation, that they couldn't sand because the paint probably contained lead. I accepted...
Foothill Painting Co., Inc
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Reviewed in July 2014
<p>My pool was leaking. I had contracted another company in 1/2013 to do the leak detection test. for a fee of $375. The leak was coming from my skimmer. The other company wanted to charge hundreds of dollars more to fix the skimmer than Leakfinders Inc. and refused to match their price. I am...
Complete Pool Services
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Reviewed in September 2013
Installed a new HVAC system and was told by the city that I would need a HERS Rater Report before they can permit the system. <br /> Found Alleluia Air online and called them. David, the owner, answered and was very professional. He answered all my questions in detail and walked me through the...
Alleluia Air
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Percolation Tests questions, answered by experts

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.

No, not all popcorn ceilings have asbestos, but a vast majority do. The Environmental Protection Agency (EPA) banned its use in 1973, although it still may have been used up through the early ‘90s. But, in general, homes built or remodeled before the early ‘80s likely utilized materials with asbestos. That being said, a professional test is the only way to determine for sure.

The microscopic asbestos fibers do not cause eye irritation, throat irritation, or lung irritation. If you are inhaling fibers, you will not know it. This lack of immediate symptoms is one of the reasons why asbestos is so dangerous. You cannot know for certain if you are inhaling fibers, which is why you must wear safety gear if you could have any chance of an exposure while working.

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.

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.

The Temple City, CA homeowners’ guide to percolation testing services

From average costs to expert advice, get all the answers you need to get your job done.

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