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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Q: Does knob and tube wiring have asbestos?

• <div><p>Knob and tube wiring is an older type of electrical wiring that's no longer used and <a href="https://www.angi.com/articles/knob-and-tube-electrical-wiring-safe.htm">generally not considered safe</a>. However, some homes still have it, or may have a knob and tube wiring system that was incorrectly modified or rigged to work with a modern electrical system. Knob and tube wiring may contain asbestos insulation, but the only way to know is to have the material professionally tested.</p></div>

Q: What should you do if you are exposed to asbestos?

• <div><p>Do not panic if you are exposed to asbestos. The illnesses associated with asbestos exposure are rare. If you are concerned about exposure, talk to your doctor, especially if you are having any respiratory symptoms, such as coughing or difficulty breathing. They may recommend imaging to get a view of the insides of your organs and determine if scarring or growths are present.</p></div>

Q: Does vermiculite insulation contain asbestos?

• <div><p>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.</p></div>

Q: Who tests for asbestos?

• <div><p>Professional asbestos testers or environmental consultants are the<a href="https://www.angi.com/articles/who-do-you-call-to-check-for-asbestos.htm"> best people to call to test for asbestos</a>. An asbestos testing company specializes in collecting and analyzing samples and will be the most qualified to do the job for you. An environmental consultant may not specialize in handling asbestos, but should still have the knowledge and know-how to safely collect a sample and send it off for analysis.</p></div>

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Verified Reviews for Percolation Testing pros in Corydon, IA

*The Angi rating for Percolation Testing companies in Corydon, IA 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 Corydon, IA 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 March 04, 2026

Reviewed in March 2026
Our install was a rush request to get a tub changed to a walk in shower on the first floor as we had a family member coming home from the hospital. We got an install date less than 1 week away. Our installer was there first thing the morning we were scheduled and finished a fantastic job that...
Mad City Windows & Baths
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Reviewed in July 2025
Dig out and unclog drain on Saturday afternoon with virtually zero notice. We were very satisfied.
JJM Services, LLC
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Reviewed in April 2025
Professional, thorough, and quick at a good price!
No Limit Outdoor Solutions
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Reviewed in September 2023
They tailor their services to your specific needs, ensuring a personalized experience.
Zebna
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Reviewed in August 2023
Great group to work with fast and competitive prices!
Southern Accent Tree Service
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Reviewed in January 2023
very professional, courteous, knowledgeable, and quick to complete the job. He was able to answer all the questions I had.
Freeman's Metal Roofing, LLC
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Reviewed in September 2022
Very reasonably priced and quick service Done a good job and cleaned up after
Tree Squirrel Tree Service
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Reviewed in January 2022
I haven’t yet worked with Matt on a home project, but he responded promptly and professionally from the very start of our conversations about work needed in my home. He arrived early for our walk through yesterday and thoughtfully answered all of my questions in a friendly manner, without...
Affordable Contracting & Handyman
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Reviewed in November 2021
She does real good work!
Rose Cleaning
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Reviewed in April 2021
Installers were very nice and very professional
Dog Guard
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Percolation Tests questions, answered by experts

Knob and tube wiring is an older type of electrical wiring that's no longer used and generally not considered safe. However, some homes still have it, or may have a knob and tube wiring system that was incorrectly modified or rigged to work with a modern electrical system. Knob and tube wiring may contain asbestos insulation, but the only way to know is to have the material professionally tested.

Do not panic if you are exposed to asbestos. The illnesses associated with asbestos exposure are rare. If you are concerned about exposure, talk to your doctor, especially if you are having any respiratory symptoms, such as coughing or difficulty breathing. They may recommend imaging to get a view of the insides of your organs and determine if scarring or growths are present.

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.

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.

Professional asbestos testers or environmental consultants are the best people to call to test for asbestos. An asbestos testing company specializes in collecting and analyzing samples and will be the most qualified to do the job for you. An environmental consultant may not specialize in handling asbestos, but should still have the knowledge and know-how to safely collect a sample and send it off for analysis.

The Corydon, IA homeowners’ guide to percolation testing services

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