Chinese drywall

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Blackened and corroded copper coils on conditioner unit - Chinese drywall scandal

Chinese drywall refers to a significant building materials issue that emerged primarily in the United States following the importation of defective drywall manufactured in China. Between 2001 and 2009, it is estimated that around 100,000 homes in the United States were built or renovated using this drywall, which has been linked to health problems and metal corrosion within those homes. The problem gained national attention as homeowners began reporting foul odors, health issues, and rapid deterioration of metal components in their houses.

Overview[edit | edit source]

Chinese drywall emits volatile chemicals, notably sulfur compounds, which are believed to cause a range of health issues and structural damages. Homeowners reported a persistent smell of rotten eggs, attributed to hydrogen sulfide gas, and numerous cases of corroded electrical wiring and appliances, leading to potential safety hazards. The issue is not limited to the United States, but it is where the majority of complaints and litigation have occurred.

Health Effects[edit | edit source]

Residents in homes built with Chinese drywall reported various health problems, including respiratory issues, headaches, nosebleeds, and skin irritation. The Environmental Protection Agency (EPA) and the Centers for Disease Control and Prevention (CDC) conducted studies to assess the health risks associated with exposure to the emissions from this drywall. While long-term health effects are still under investigation, these agencies have acknowledged the potential for significant health impacts.

Economic Impact[edit | edit source]

The economic impact of Chinese drywall includes decreased property values, costly home repairs, and legal expenses. Many homeowners faced financial ruin as they navigated the complexities of remediation, litigation, and seeking compensation. The construction and real estate industries also felt the repercussions, with builders and suppliers facing lawsuits and reputational damage.

Legal and Regulatory Response[edit | edit source]

The legal response to the Chinese drywall issue has involved numerous lawsuits and settlements. Homeowners sought compensation for their losses through the courts, often in class-action lawsuits. In response, the U.S. government and various state governments have implemented regulations and guidelines for identifying and remediating affected homes.

Remediation[edit | edit source]

Remediation of homes affected by Chinese drywall involves removing and replacing the defective drywall, as well as any corroded wiring and plumbing components. This process can be extensive and costly, requiring homeowners to vacate their properties during repairs.

Conclusion[edit | edit source]

The Chinese drywall issue highlights the challenges of global supply chains and the importance of quality control in building materials. It has led to increased scrutiny of imported building materials and has prompted calls for stronger regulations and standards to prevent similar issues in the future.


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Contributors: Prab R. Tumpati, MD