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>

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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Verified Reviews for Percolation Testing pros in Snohomish, WA

*The Angi rating for Percolation Testing companies in Snohomish, WA 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 Snohomish, WA 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 December 31, 2025

Reviewed in December 2025
I recently hired Safe asbestos for testing. I had a lot of questions and they were all answered fast and efficiently! They were very kind and knew what they were talking about. Definitely recommend.
Safe Asbestos Solutions LLC
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Reviewed in March 2025
test test test test test test
CS Coordinator Test Account
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Reviewed in April 2020
They were quick to respond. Set up the appointment and tested our gas oven.
West Coast Chief Repair, Inc.
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Reviewed in February 2019
ASBESTOS! They covered my entire home in asbestos. I hired them to remove popcorn ceiling. Contract was for 3.5 days of work. It took them 6. They damaged our HVAC system because they didn't cover the vents and intake. They told us we could return home, it was completely covered in a thick...
CertaPro Painters® of Bothell - Lynnwood WA
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Reviewed in October 2018
Quick response to my inquiry. Got test results back within 24hrs for an extra $15. Great service
Advanced Asbestos Company, LLC
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Reviewed in August 2018
It went well. They inspected the tank (which they had pumped 6 months earlier) and did a stress test on the leach field (which was fine). They were professional and reasonable.
A WESCO SEPTIC SERVICE
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Reviewed in May 2018
The representative was prompt, helpful and professional. After doing tests for water and mold, he explained the issues (leak in dishwasher plumbing causing significant water damage inside the cabinet) and what remediation efforts would be necessary.
Environix Testing & Remediation
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Reviewed in October 2017
Went well... on-time, professional, and kind. Patiently answered all of my questions. I'm assuming all tests were performed accurately, but really don't know enough to be able to determine if job was done correctly.
Green City Heating and Air Conditioning
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Reviewed in January 2016
They explained how I could test it for myself and if I had any other concerns to call back. Very professional.
MicroLab Northwest, LLC
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Reviewed in August 2015
I had a little problem at first because I was sent the wrong kit. They called and apologized and sent me the right kit. I had to pay postage to pick up the wrong kit at the post office but they sent me a check to cover the cost of the postage. I would use them again. Once the lab tests were...
Moldlab
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Percolation Tests questions, answered by experts

Asbestos testing takes place in two stages—collection and lab testing. Collection can take less than 20 minutes if a professional manages to get a direct sample. If air samples are required, then the pro will set up a testing device and return to collect it. In both cases, the sample is sent to a lab and results are confirmed or denied usually within one to two days.

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.

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.

No, an N95 mask will not protect against asbestos and many other hazardous materials, such as carbon monoxide, gas, chemical vapors, and other gases. You will need a respirator specifically designed to protect against asbestos. However, if you suspect asbestos is present in your home, hire an asbestos abatement professional immediately and avoid the area until they arrive for the inspection.

Vermiculite insulation that comes from a particular mine before 1990 is likely to contain asbestos. This is particularly true in the U.S. However, not all types of vermiculite insulation contain asbestos. Since you can't detect the presence of asbestos without special equipment, it's best to assume that the insulation contains the dangerous mineral and to either leave it alone or hire a professional to handle it.

The Snohomish, WA homeowners’ guide to percolation testing services

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