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What are the signs that a house has Chinese drywall?

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One noticeable sign that a home has toxic Chinese drywall installed is the presence of a sulfur smell, which is similar to the smell of rotten eggs. Another common sign is an air conditioning unit that stops working soon after it is turned on or it fails to work at all. Appliances like TVs, microwaves and refrigerators may also have operating difficulties. Some Chinese drywall has Chinese markings.

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Health problems are among the most troubling signs of bad drywall manufactured in China. Common symptoms associated with toxic Chinese drywall are chronic headaches, sore throat, coughing, eye and skin irritation, nose bleeds, runny nose, sinus infections, asthma attacks and breathing difficulties. While research has not confirmed a definite link between these symptoms and bad drywall, a causal link is highly suspected.

Homeowners should note that not all Chinese drywall is troublesome. Therefore, homeowners should focus on problems experienced due to toxic drywall. In the case of defective drywall, an inspection often discovers the presence of metal corrosion behind appliances and in wall outlets. However, the Consumer Product Safety Commission advises homeowners and contractors to follow its two-step guidelines to determine if drywall is actually the culprit causing home damage or health problems. As of 2014, there is no standard remediation for toxic drywall problems.

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