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>

Is it safe to cover an asbestos popcorn ceiling?

• <div><p>Some pros may recommend covering a popcorn ceiling that tests positive for asbestos with beadboard ceiling planks or drywall. The <a href="https://www.angi.com/articles/cost-to-install-beadboard-over-popcorn-ceiling.htm">cost to install a beadboard ceiling</a> averages more than $5,000, but you likely will pay more than the average for the installer to deal with the asbestos safely. Installing a beadboard ceiling or new drywall will disturb the asbestos and release some microscopic fibers, so the installer will need to take precautions. </p></div>

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*The Angi rating for Percolation Testing companies in Whiteford, MD 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 January 06, 2026

Reviewed in January 2026
We had a mold test done and Craig was on time, very thorough, very knowledgeable, and the price was very reasonable. We would highly recommend his company!
All About Waterproofing INC
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Reviewed in April 2025
Job was done on time with minimal inconvenience. The automatic testing is being done as programmed. Entire process from sales to install to customer service has been excellent. I would recommend this company without question!
Hurricane Home Solutions Southern Tier, Inc
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Reviewed in November 2022
Liberty pure was asked by a potential home purchaser to do a well inspection for their home purchase. Instead of disclosing that they were a service provider and not a licensed home inspector. They proceeded to tell the potential home buyer that an existing water filter system less than ten...
Liberty Pure
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Reviewed in October 2021
Keith is top notch and can handle all your mold testing and protocols.
Whitehead Environmental
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Reviewed in September 2019
All work was performed professionally and as promised. Tim Wilson explained the testing options and procedure thoroughly, and provided a number of helpful suggestions regarding the overall testing and mitigation process. I would recommend without reservation.
1965
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Reviewed in June 2019
Horton Electrical Services reached out the morning of the job to provide an update on the start time, was very prompt, arrived to job site slightly ahead of me. Replacement of 6 smoke detectors (3 per property) including installation of new fixture and function/interconnection testing was...
Horton Electrical Services
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Reviewed in January 2019
Mike was very professional and courteous and explained the entire process for radon testing in our house and with our water supply. He provided very quick turnaround on the results once the testing was complete and offered to answer any questions about the results.
Titleist Testing LLC
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Reviewed in February 2017
Keith worked around my schedule which is very important to me. Testing was done and report received within a very reasonable time frame. Would high recommend.
Chesapeake Restoration and Cleaning, Inc.
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Reviewed in October 2014
When they took the samples, the test results were returned very promptly. After reading the results myself, it appeared that air quality in our home was poor, so I contacted Advantaclean to help me understand the test results. However, Mr. Kieffer could not interpret the results of the test. I...
Advantaclean of Lancaster
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Reviewed in August 2014
They took out the damaged portion of pipe and replaced it with a new piece of pipe. They also took a water sample to be tested to see if a water softening systems would help reduce pipe damage.
Five Star Plumbing Services
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Percolation Tests questions, answered by experts

Asbestos was commonly used in cloth wiring, but not all types of cloth wiring contain it. The age, condition, and appearance of the wiring can provide clues as to whether asbestos is present or not, but the only way to know for sure if the wiring has asbestos is to have it tested.

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.

Professional testing is advisable to ensure safety regulations are met, and accurate results are obtained using certified methods.

Some pros may recommend covering a popcorn ceiling that tests positive for asbestos with beadboard ceiling planks or drywall. The cost to install a beadboard ceiling averages more than $5,000, but you likely will pay more than the average for the installer to deal with the asbestos safely. Installing a beadboard ceiling or new drywall will disturb the asbestos and release some microscopic fibers, so the installer will need to take precautions.

Costs depend on the number of samples, property size, and lab processing fees.

The Whiteford, MD 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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