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 Knowlton, NJ 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 Knowlton, NJ 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 October 26, 2025

Reviewed in October 2025
Dylan McKinney, our assigned Water Treatment Specialist is very professional & down to earth. He did testing of our water for various contaminants & found our water to be extremely hard (23 Grains / gallon). Dylan’s solution for us was a Puronics Hydronex iGen 30 & Micromax 7000 (under the...
Purfect Water Solutions, Inc.
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Reviewed in November 2023
They did the job well. Couldn't even tell where the pot burn mark was.
Marble Services LLC
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Reviewed in January 2019
Company was responsible for testing pre and post abatement. Quick response and everything completed in a timely manner
Sky Contracting, LLC
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Reviewed in November 2016
Victor came to our home, tested our water, showed us the results and made recommendations to improve our water quality. He was very clear and concise in his analyses and his friendly approach was a pleasure to do business with. The instillation of our new system was done timely and efficiently...
Aquatech USA, LLC
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Reviewed in November 2015
Lets start off by saying I know nothing about inspecting a septic system. Classic Septic Inspection was recommended by my home inspector. The crew showed up a bit late but that was not a big deal since I had the home inspection the same day. The crew was able to confirm there were two tanks,...
Classic Septic Inspections
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Reviewed in October 2014
<strong>I called Royal flush and spoke to Glen, he told me he would get to me after a service call he was going on now. I asked him to call me when he was on the way. He actually did! He was very professional and ran a very large snake through the line, several times, until the he was...
A Royal Flush
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Reviewed in June 2014
One of the owners came out and quoted the price for what needed to be done. Technician came the following week and performed everything on the list. Tech was very polite and left everything clean. The test came back at well below acceptable levels. Would highly recommend. <br />
OBAR SYSTEMS INC
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Reviewed in January 2014
We were very pleased with their professionalism from measuring the rooms and sizing the units through installation and final testing. Communication by the office staff was excellent - they arranged all necessary permits and appointments and kept me informed step by step. Installers came when...
Mr Rooter Plumbing of North Jersey
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Reviewed in December 2013
I made a phone call Roger @ Purely Water and he spent approx 1 hour on the phone discussing the situation and educating me. Roger and Chris of Purely Water came to my house and confidently diagnosed the problem. I waited the 10 days and re-tested the water and passed !!!! Roger and Chris are...
Purely Water
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Reviewed in June 2013
We have been using the Stroudsburg store for our pool water testing and supplies. They are always helpful, so we trust them to install our hot tub. <br />
Pocono Pool & Spa, LLC
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Percolation Tests questions, answered by experts

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.

Common areas include insulation, flooring, ceilings, and siding in older buildings. Professionals identify potential risks.

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.

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.

Although the use of asbestos has declined since the 1980s, it remains in several different types of building construction materials for insulation and as a fire retardant. Typically, asbestos can be found in materials such as ceiling and floor tiles, heat-resistant fabrics and coatings, and roof shingles. You may also find asbestos in textured paint and patching compounds.

The Knowlton, NJ 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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