What is the issue with Chinese drywall
Isabella Harris
Updated on April 11, 2026
The contaminated drywall has high levels of sulfur, which may be responsible for a rotten egg smell in affected homes, blackened or corroded pipes, failure of air conditioners and other household appliances, and health problems such as asthma, coughing, headaches, sore throats, and irritated eyes.
Why is Chinese drywall so bad?
Often, homes with Chinese drywall suffer from plumbing, electrical and HVAC issues, and homeowners might notice silver and copper jewelry tarnishing quickly. … Soon enough, investigations revealed that the drywall off-gases several volatile chemicals, including carbon disulfide, carbonyl sulfide and hydrogen sulfide.
When did they stop using Chinese drywall?
“Chinese drywall” refers to an environmental health issue involving defective drywall manufactured in China, imported to the United States and used in residential construction between 2001 and 2009 – affecting “an estimated 100,000 homes in more than 20 states.”.
Is all Chinese drywall bad?
Much of wiring or piping found in homes is made of copper. Exposure to Chinese drywall can result in nose bleeds, headaches, coughs, upper respiratory or sinus problems, rashes, and difficulty breathing. There have also been cases reported of pets dying due to exposure to Chinese drywall.Do you have to replace Chinese drywall?
The term “Chinese drywall” refers to imported drywall that was installed between the years 2001 and 2009. … Getting rid of the drywall and making your home safe again can be a major project, as you must replace all of the drywall.
Did Home Depot sell Chinese drywall?
To Reassure Customers That Drywall Purchased at Their Stores Is Safe. Home Depot Inc. and Lowe’s Cos. … According to The Palm Beach Post, the home improvement retailers say they have verified that none of their stores sold Chinese drywall that has recently been tied to problems in homes throughout the country.
Does Chinese drywall have asbestos?
The severity of the Chinese-made drywall (wallboard) issues may be huge, potentially reaching proportions similar only to the asbestos crisis. Basically, only since 2006, more than 550 million pounds of toxic Chinese drywall was imported in the U.S. (according to Sen. Nelson).
Was Chinese drywall used in Texas?
Chinese Drywall has been found in several areas in and around the Houston/Harris County areas. This drywall was originally brought into the continental US due to a reduction in supply from hurricanes in Florida, Louisiana and Texas. Most of the product was imported during the 2001 to 2008 time frame.What are the symptoms of Chinese drywall?
What are the health symptoms and risks of Chinese drywall? The most frequently reported symptoms are irritated and itchy eyes and skin, difficulty in breathing, persistent cough, bloody noses, runny noses, recurrent headaches, sinus infection, and asthma attacks.
What is Chinese drywall made out of?Drywall is made of gypsum plaster, which is then pressed between two thick sheets of paper. Builders worldwide use drywall when constructing the interior walls and ceilings of a house.
Article first time published onDoes insurance cover Chinese drywall?
Chinese drywall caused damage that was barred from coverage under a homeowners insurance policy because of several exclusions for (1) faulty, inadequate, or defective materials; (2) latent defects; (3) rust or corrosion; and (4) pollution.
Does my house have Chinese drywall?
The smell from the corrosive gas emitted from Chinese drywall is very potent and smells similar to rotten eggs. This noticeable indicator may tell you that your drywall is from China. From your attic, take a look at your drywall for the name KNAUF. The drywall may also say Knauf Plasterboard (Tianjin).
What states had Chinese drywall?
As of August 30, 2010 According to the Florida Department of Health and CPSC (US Consumer Product Safety Commission the States) States with the most reports of Chinese Drywall damaged homes include Alabama, Florida, Louisiana, Mississippi and Virginia.
Does Chinese drywall cause mold?
Homeowners affected by the Chinese drywall have reported several different symptoms, including headaches, asthma attacks, nose bleeds and respiratory problems. … Toxic mold claims have been reported, but the precise cause of the symptoms is still unknown.
How much does it cost to fix Chinese drywall?
Many homeowners have played $30,000 to $40,000 or more to have all of the drywall replaced, as well as the wiring, A/C, and other damaged hardware in their home. Pricing can depend on the area you live in, the square footage of the home, and whether or not you need a permit to do the work.
How do you fix Chinese drywall?
The best solution to the Chinese drywall issue is to remove all of the Chinese drywall from your home, fix affected areas, and then install new drywall. All of the drywall must be removed and disposed of in an approved method.
When was Chinese drywall used in Florida?
The use of Chinese drywall in Florida homes and buildings occurred between 2004 and 2006, during the housing boom. At the center of the drywall problems in Florida is Knauf Plasterboard Tianjin Co.
What is purple drywall?
Our most versatile drywall product, PURPLE XP® Drywall is moisture-, mold- and mildew-resistant and ideal for almost every room in the home. Performance. Fire Resistant, Improve Air Quality, Mold & Mildew Resistant, Moisture Resistant. Project Area.
Can drywall dust hurt you?
Short-term exposure to drywall dust irritates the eyes, skin, and respiratory system. Dusty construction sites can create coughing spasms, throat irritation, and breathing difficulties. Long-term exposure increases the risk for more serious health conditions associated with the dust ingredients.
How much does it cost to test for Chinese drywall?
There are now hundreds of contractors performing Chinese Drywall Remediation services throughout the country. We have witnessed remediation efforts that cost as little as $15 per square foot and up to $85 per square foot.
Is drywall made in the USA?
Nearly half of American drywall is now made with this synthetic product, known as flue gas desulfurized gypsum or FGD gypsum. Despite its increasing popularity, synthetic gypsum isn’t regulated by the federal government.
How do you inspect Chinese drywall?
- Corrosive condition exhibited by the corrosion of copper coupon placed inside the home. …
- Markings on the drywall indicating that it was made in China.
- Elemental Sulfur levels exceeding 10ppm within the drywall of the home. (
What does a bad drywall job look like?
There should be no crooked lines, gaps, indentations, bubbles or creasing. Badly applied tape can leave indentations and creases. A crooked corner bead can cause a wavy corner. Rough surface – Some minor ridges and roughness are acceptable at lower levels of finish.
What is a defective drywall test?
Defective Drywall (sometimes called Chinese Drywall) refers to defective or tainted drywall imported from China from 2001 to 2007 which emits sulfur gasses which usually (but not always) creates a noxious odor and corrodes copper and other metal surfaces, thereby damaging your air conditioner, electrical wiring, copper …
Does drywall contain formaldehyde?
Drywall joint compound can contain harmful ingredients, including formaldehyde and acetaldehyde, both known carcinogens, and crystalline silica, which is a carcinogen when inhaled.
When was drywall asbestos?
Asbestos can be found in most drywall materials produced before the 1980s. If your home, commercial building, or other structure was built between 1940 and 1980, it’s very likely that it contains asbestos.
What color is Chinese drywall?
They should be a shiny copper color, not the dull gray they now display. The dull gray comes from hydrogen sulfide being emitted by the Chinese drywall. It attacks light switches, electrical outlets and electrical junction boxes.
How do you know if drywall is toxic?
These are just warning signs directly related to the structure of your home. There are also health effects to look out for. If you’re living in a high-risk house and you’ve noticed respiratory issues, nose bleeds, rashes, headaches, coughing and sinus problems, you could be suffering from issues tied to toxic drywall.
Was Chinese drywall used in Michigan?
When Imported Problems have been reported so far in over a dozen states including Alabama, Arizona, California, Florida, Georgia, Louisiana, Maryland, Michigan, Mississippi, Nevada, New Jersey, New York, North Carolina, Ohio, South Carolina, Texas, and Virginia.