How to detect problem drywall from China
Question: How can I tell if my home has problem drywall?
Answer: We are currently not aware of any definitive test to determine if a home has problem drywall. Nevertheless, you might consider contacting your homebuilder to ask about the materials used in construction.
Consumers raising concerns about drywall have typically identified a “rotten egg” smell within their house, several health symptoms while in the home, and corrosion or blackening of certain metal items. Consumers have also reported frequent failures of copper piping in air conditioning units.
(This document was prepared by CPSC staff, has not been reviewed or approved by, and may not necessarily reflect the views of, the Commission.)
via U.S. CPSC: Drywall Information Center
The smaller sample (slightly gray in color) was taken from drywall which was removed from the home and replaced with new wallboard (white in color).
The ground wire connected to the green screw is blackened and corroded. This wire should be copper-colored
The copper coils on this air conditioner unit are blackened and corroded.
Corrosion on plumbing pipies and fixtures can be a sign of the presence of Chinese drywall
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Posted by admin
on Oct 30 2009. Filed under Chinese Drywall Problems.
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