What are some signs my home might have asbestos?

• <div><p>The most <a href="https://www.angi.com/articles/how-can-i-tell-if-house-has-asbestos.htm">common sign of asbestos</a> is the age of your home. Asbestos was banned in drywall in 1977, though many products still contained asbestos until the 1980s. Indicators of possible asbestos in your home include:</p><ul><li><p>Your home's age, if built before 1980</p></li><li><p>You have a home with vinyl flooring or millboard that was installed between 1952 and 1982</p></li><li><p>Your home has corrugated roofing</p></li><li><p>Your home has walls made from cement sheets</p></li><li><p>Your home has vermiculite insulation </p></li></ul><p></p></div> • <div><p>Asbestos was commonly used in construction before the 1980s. While homes built after that time are unlikely to contain asbestos, there is still a possibility. Asbestos was found in materials such as flooring, drywall/joint compound, ceiling textures (like popcorn ceilings), roofing, siding, felts, HVAC systems, and more. If you're concerned about asbestos in your home, it's important to consult with an experienced asbestos professional to assess the likelihood of its presence.</p></div>

Do you always have to remove asbestos wiring?

• <div><p>If you have an older electrical system with fraying wires and other signs of damage, removal may be the best course of action. When asbestos begins to break down, it's more likely to become airborne, increasing the risk of health issues when it's inhaled.</p><p>However, if the system is in good condition and doesn't have visible signs of wear or damage, leaving it alone may be the safest course of action. An asbestos abatement and removal professional can help you determine the best way to proceed.</p></div>

Can I clean an asbestos popcorn ceiling?

• <div><p>If you know your popcorn ceiling has asbestos, you should not attempt to clean it. It simply is not possible to learn <a href="https://www.angi.com/articles/how-to-clean-asbestos.htm">how to clean asbestos</a> safely without potentially releasing microscopic fibers into the air that could lead to severe illness in the future. Avoid disturbing or cleaning the ceiling until the asbestos removal company can get rid of the popcorn ceiling.</p></div>

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*The Angi rating for Percolation Testing companies in Charleston, SC 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 March 03, 2025

Reviewed in March 2025
Very professional, great set, explained the very thoroughly, after the results of the testing were received he reviewed and explained them. Excellent customer service would highly recommend .
Integrity Home Inspection Services Group, LLC
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Reviewed in May 2020
While they were professional and knowledgeable, I felt they were a little high price wise. For the price, I was expecting them to test for a wide range of allergens. But that was my fault that I did not ask more questions before agreeing for the service. I would recommend them for mold testing...
Green Home Solutions of Charleston
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Reviewed in February 2020
They came early to the job and performed the tests I requested promptly and got the results back to me within 48 hours. Iâ m very impressed with there company.
A&A Asbestos Environmental, LLC
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Reviewed in October 2019
PES was very prompt. We called in for mold testing to be done and Chad was very informative and testing came back quickly. I would not hesitate to have them come back if we needed more testing done in the future.
Palmetto Environmental Solutions
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Reviewed in June 2018
We spoke with Brad McQueen, the owner. We brought our pool water in to be tested and were advised how to get the balance just right. Brad offered excellent suggestions without trying to oversell things you don’t need. His website shows that they service pools, leak detection, etc and the shop...
Coastal Carolina Pool Supplies
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Reviewed in April 2016
Ran a thorough inspection of existing gas lines, installed new lines, tested stove, very pleasant to talk to <br />
Plumb Pro
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Reviewed in November 2015
The testing was performed and the water company was notified. All went well. <br />
Bessinger's Backflow Service
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Reviewed in November 2015
The representative came over explained the process and potential costs. He did the testing as promised and I was given the results with estimates for remediation services. <br />
BioTek Environmental Mold Removal - Charleston
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Percolation Tests questions, answered by experts

Answered by

Angi Expert

The most common sign of asbestos is the age of your home. Asbestos was banned in drywall in 1977, though many products still contained asbestos until the 1980s. Indicators of possible asbestos in your home include:

Your home's age, if built before 1980
You have a home with vinyl flooring or millboard that was installed between 1952 and 1982
Your home has corrugated roofing
Your home has walls made from cement sheets
Your home has vermiculite insulation

Helpful?

Answered by

James M.

on Feb 12, 2025

Asbestos was commonly used in construction before the 1980s. While homes built after that time are unlikely to contain asbestos, there is still a possibility. Asbestos was found in materials such as flooring, drywall/joint compound, ceiling textures (like popcorn ceilings), roofing, siding, felts, HVAC systems, and more. If you're concerned about asbestos in your home, it's important to consult with an experienced asbestos professional to assess the likelihood of its presence.

High Tide Environmental Charleston, SC

Helpful?

If you have an older electrical system with fraying wires and other signs of damage, removal may be the best course of action. When asbestos begins to break down, it's more likely to become airborne, increasing the risk of health issues when it's inhaled.

However, if the system is in good condition and doesn't have visible signs of wear or damage, leaving it alone may be the safest course of action. An asbestos abatement and removal professional can help you determine the best way to proceed.

No, but it’s common that they do. Gravity furnaces weren’t terribly efficient so wrapping either the ductwork in asbestos, the furnace itself, or both, was something done regularly. This allowed the system to retain more heat. At the time, this greatly enhanced the efficiency of the furnaces but it wasn’t until later that we became aware of just how carcinogenic and dangerous asbestos could be.

If you know your popcorn ceiling has asbestos, you should not attempt to clean it. It simply is not possible to learn how to clean asbestos safely without potentially releasing microscopic fibers into the air that could lead to severe illness in the future. Avoid disturbing or cleaning the ceiling until the asbestos removal company can get rid of the popcorn ceiling.

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.

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