Domestic Drywall Possibly Problematic

HousingWire reports there may be a problem with American-made drywall, not just drywall from China.  The Consumer Product Safety Commission (CPSC), partnering with Environmental Health & Engineering (EH&H), tested 11 homes and found five of them had hydrogen sulfide emissions, as well as sulfur and copper sulfide buildup, which are all indicative of problem drywall.  Nine of the dwellings showed evidence of blackened copper wire, and corrosion of air conditioning evaporator coils.  The homeowners said the drywall was domestically produced, a fact CPSC and EH&H could not confirm.  According to the CPSC, as of Jan. 7 there were 3,770 reports of defective drywall.

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