Where would asbestos be in my home?

• <div><a href="https://www.angi.com/articles/how-can-i-tell-if-house-has-asbestos.htm">Asbestos</a> can be found in many building materials, especially if the materials were installed more than 20 years ago. Asbestos-containing materials (ACM) can include:<ul><li>Acoustic ceiling tiles</li><li>Furnace insulation</li><li>Home appliances</li><li>Fire-retardant clothing</li><li>Cement pipe</li><li>Pipe insulation</li><li>Wall and ceiling insulation</li><li>Vehicle brake pads</li><li>Vinyl flooring</li><li>Sprayed acoustic ceilings</li><li>Stove insulation</li><li>Patching compounds</li><li>Textured paints</li><li>Roofing shingles</li><li>Siding</li></ul></div>

Do all popcorn ceilings have asbestos?

• <div>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.</div>

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*The Angi rating for Percolation Testing companies in Litchfield, CT 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 July 05, 2026

Reviewed in July 2026
Eco Flo Plumbing spent a lot of time preparing an estimate for me. The company also made two visits to my home for thorough inspections of my job site. The price quoted to me was fair and reasonable, and the sales person was extremely personable! I Wholeheartedly Recommend EcoFlow !
EcoFlow, LLC
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Reviewed in August 2024
First, Frida, who handles the appointment set ups, is outstanding! This lady really has what it takesâ ¦â ¦..friendly, organized, and super quick response! Then Time comes out. He arrives within the time frame, and does what he says heâ s going to do. Thorough and competent, friendly and...
Vanguard Plumbing Solutions LLC
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Reviewed in April 2024
Did a great job. Very happy with the results
Adeidson Wood Floors LLC
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Reviewed in March 2016
Still waiting for test results which are supposed to take 4-5 business days... but this is a holiday weekend so it probably will take a bit longer to get results
Winchester Environmental
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Reviewed in March 2016
I was very pleased with the laboratory's responsiveness, in regards to answering questions I had about taking samples. They were very good in communicating how best to sample the air on both the finished and unfinished sides of our basement. However, where I was disappointed was when I...
Environmental Testing & Research Laboratories, Inc
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Reviewed in August 2015
This is not a "sour grapes" review because a few minor issues were found during the home inspection, but just the facts. Our Radon levels were a little high and we had a radon mitigation system installed within 72 hours of being notified. Also, our water softener was setup to backwash into...
MARVIN H SCHAEFER INSPECTION
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Reviewed in September 2013
It could not have gone better! Tom Tomascak was very thorough and business like. The process is somewhat time consuming because after the well is treated with chlorine you have to draw the chlorinated water out of the well, through tank and hot water heater and the entire piping system in the...
Tomascak Plumbing
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Reviewed in July 2013
30 minutes start to finish. George cleaned faucet seat area before installing the new faucet. He removed all old materials and tested new connections before leaving our home. Very pleasant experience overall. Would recommend in a heart beat. 
Pipe Dreams Plumbing
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Reviewed in November 2012
Needed a CO level check and efficiency test for my gas furnace and was never given that readout. Had to call them back to come out and redo so I could actually get what I asked for. I will say they did respond immediately and came back out the day after I called them but I did not think sending...
Total Mechanical Systems LLC
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Reviewed in August 2012
Steve was very patient with us in regard to a start time because materials were slow to come in. He began on the date he set and the job was finished about 6 weeks later. I do think it could have been accomplished sooner if the crew arrived earlier (than 10 am sometimes as late as 1) and stayed...
Pickering Construction LLC
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Percolation Tests questions, answered by experts

Asbestos can be found in many building materials, especially if the materials were installed more than 20 years ago. Asbestos-containing materials (ACM) can include:

Acoustic ceiling tiles
Furnace insulation
Home appliances
Fire-retardant clothing
Cement pipe
Pipe insulation
Wall and ceiling insulation
Vehicle brake pads
Vinyl flooring
Sprayed acoustic ceilings
Stove insulation
Patching compounds
Textured paints
Roofing shingles
Siding

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 testing is conducted by collecting samples from materials suspected to contain asbestos and analyzing them in laboratories for confirmed presence.

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.

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 Litchfield, CT homeowners’ guide to percolation testing services

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