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 Washington, NH 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 Washington, NH 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 July 07, 2026

Reviewed in July 2026
I used ANGI for the first time and AS Plumbing and Heating contacted me promptly. They were able to provide services the same day. The service was exceptional and price was very reasonable. I would highly recommend this company and will use them in the future.
AS Plumbing & Heating LLC
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Reviewed in April 2025
Brandon explained the process. He did an exceptional job and paid special attention to problem areas of which made the final result amazing.! Looks like a brand new house! I would highly recommend.
Sudsbury Pressure Washing
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Reviewed in May 2024
The team did a great job. The original toilet I purchased was not the right size. They had to come back after I had to exchange it. The original person put in a faucet in the back, which was not part of the original request. The gentlemen were very friendly and professional. I will hire them...
Action Plumbing Heating And Air
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Reviewed in March 2024
I used bathfitters to renovate my bathroom in a very old house in Henniker, NH. I was really amazed at how prompt they were and how they took they time to explain what they were doing. John,Joe & Hunter truly were patient and helpful when explaining to my 81 yr. old aunt. These three were super...
Bath Fitter
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Reviewed in July 2021
What I got out of the contact was a referral to Harry Wells Plumbing. They did a great job, but they did not mention upfront that there was a minimum of a 1-hour charge for the work. When I received the bill as he left he still did not mention it. The bill was very high for less than 30 minutes...
Proactive Comfort
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Reviewed in January 2020
Rep was on time, discussed procedures and time frame for getting test results
L & M Home Inspection Service, LLC
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Reviewed in December 2019
Warren was great he contacted me right away. He was very informative. Unfortunately / fortunately, the asbestos tested negative and I did not need the service. If ever needed again, I would contact Silver Environmental -- Warren
Silver Environmental
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Reviewed in December 2016
Fantastic. Price was fair, Brad Decatur was prompt, polite, and knowledgeable. He completed the boiler install in 1 day as promised, including winterization and system testing. I highly recommend Decatur Heating Services, and WILL be using them again.
Decatur Heating Services
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Reviewed in June 2014
This man didn't have a clue as to how to maintain a sump pump and would have put our entire finished basement room in jeopardy for flooding. He took one quick look at the pump and said since there was no sediment in the tank that all was fine. He never checked gaskets or any other internal...
Gotme Under Pressure ?, LLC
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Reviewed in September 2012
Our water smelled funny, and we had it tested by the state. He shocked our well with bleach to treat the water. He is very clean and polite.
Able Plumbing Co
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Percolation Tests questions, answered by experts

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.

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.

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.

There are products that still contain asbestos, but they were typically installed decades ago. Common places where you may still find asbestos-containing materials are in siding, wrapped around ductwork, in older appliances (i.e., stove and gravity furnaces), and in floors. Asbestos was primarily used as an insulator, so anywhere in an older home where you lose heat is where you will most likely find asbestos.

If asbestos is found, it is crucial to consult with a professional. They will provide recommendations for appropriate abatement actions, which may include safe removal, containment, sealing, or enclosure. All actions must be planned and executed in accordance with local regulations for handling asbestos.

The Washington, NH homeowners’ guide to percolation testing services

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