How do you identify asbestos tiles?

• <div>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.</div>

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>

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*The Angi rating for Percolation Testing companies in Vashon, WA 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 December 18, 2025

Reviewed in December 2025
Excellent service and clear communication throughout the mold testing process. They were knowledgeable, efficient, and easy to work with.
Pure Air Mold Testing
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Reviewed in June 2021
Pascal was the first one to call and kept in touch throughout the whole process. He was on time and professional yet personable. My husband was impressed with his knowledge and professionalism as well. We got the results within 2 business days. We would highly recommend Pascal to anyone...
5 Microns Inc.
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Reviewed in March 2021
Excellent service. Responded quickly and completed testing the next day.
All Clear Asbestos and Mold Testing LLC
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Reviewed in January 2021
Itâ s an all in one unit they install. I need a tiler that has a negative Covid test.
DaBella - St Cloud (Bath/Siding)
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Reviewed in March 2018
Garrett came out to evaluate my bathroom moisture problem. He was prompt, did some moisture tests and gave me good advice to deal with the problem on my own. Saved me some money with his recommendations. This was a free evaluation, no work was necessary.
Do It Right Roofing Facebook
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Reviewed in November 2016
Very prompt and efficient. Pointed out other factors that needed to be tested and tested them all.
Taylor Heating & A/C, Inc.
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Reviewed in December 2015
This was my first and last experience with what seems to be (from other reviews) an A+ company. It started off great. Everyone I spoke to on the phone, and the technician I dealt with were all very friendly, helpful and professional. We had our free-standing gas fireplace cleaned/serviced with...
RCS Fireplace
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Reviewed in October 2015
This company has been doing the back flow testing at our home for several years so i contacted them to get the system running as it had been off for three years. The first day two people, a technician and his brother turned up it took them 2 hours to turn on the system.It had taken the...
Olympic Landscape & Irrigation Co.
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Reviewed in October 2014
Went really well. The technician was very courteous and explained in detail everything he found. He made suggestions on things that I might consider doing to keep my house rodent and pest proof. I do this test every five years wand will use United again. 
United Pest Solutions Inc
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Reviewed in September 2013
We received the test results back from the lab in a timely and professional manner. In addition to a full written report, we also received a summary phone call of the results with encouragement to connect with them directly with any questions. Suggestions and recommendations for next steps were...
Mold Inspection Sciences of Seattle
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Percolation Tests questions, answered by experts

If you suspect exposure to asbestos, prioritize seeking medical advice by informing your healthcare provider about the potential exposure with clear details about the circumstances that led to the exposure. Regular health check-ups and screenings if you work in high-risk industries or live in a home with asbestos are essential for early detection of any asbestos-related conditions. You should also consider consulting occupational health experts or legal professionals for guidance on potential next steps and preventive measures.

Often found in old insulation, tiles, and roofing materials in pre-1980s buildings.

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.

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.

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

The Vashon, WA homeowners’ guide to percolation testing services

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