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>

How long does it take for asbestos to harm you?

• <div><p>According to the National Cancer Institute, asbestos-related diseases can take anywhere from <b>10 to 40 years</b> for symptoms to appear. The health risks increase with prolonged and heavier exposure. Risk factors also include:</p><ul><li><p>Amount of exposure</p></li><li><p>Chemical makeup, size, and shape of the asbestos fibers</p></li><li><p>Length of time a person is exposed to asbestos</p></li><li><p>Genetic factors </p></li><li><p>Source of exposure (direct exposure or secondhand exposure from someone directly exposed)</p></li></ul><p></p></div>

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*The Angi rating for Percolation Testing companies in Deering, 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 Deering, 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 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 January 2013
Prior to us signing the dotted line to use MJTC we were very impressed with the experience and references Mike provided. His references included a wide range of various construction projects. Some large construction projects and others just basic handyman work. But the general message we...
Your House Remodeling 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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Reviewed in July 2011
I met Ed and his colleague Greg at 8:45 at the home on which we had made an offer. Both men were very professional and explained in detail what they would be doing. Agreements were signed and the gentlemen started their work. I accompanied them when they asked but stayed out of the way the rest...
Cobble Creek Home Inspections LLC
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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.

Unfortunately, asbestos is not easily identified and can often be hidden in plain sight in your home. While it can look like fluffy fibers, tiny pieces can also appear in materials like plastic or cement, making it impossible to identify on your own properly.

Plus, since asbestos is so dangerous when disturbed, you should never root around to try and find it. This job is best for a professional who can test for the material properly.

Testing is crucial to identify harmful asbestos fibers common in building materials from older properties, ensuring safe environments and health.

According to the National Cancer Institute, asbestos-related diseases can take anywhere from 10 to 40 years for symptoms to appear. The health risks increase with prolonged and heavier exposure. Risk factors also include:

Amount of exposure
Chemical makeup, size, and shape of the asbestos fibers
Length of time a person is exposed to asbestos
Genetic factors
Source of exposure (direct exposure or secondhand exposure from someone directly exposed)

Asbestos fibers can stay airborne for 48 to 72 hours, depending on the home's ventilation. Fibers can linger longer in enclosed spaces with poor airflow. Because the fibers are microscopic, they can easily remain suspended, making them difficult to detect without professional equipment.

The Deering, NH 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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