CPSC Identifies Chinese Manufacturers of Problem Drywall.

CPSC Identifies Manufacturers of Problem Drywall Made in China

The U.S. Consumer Product Safety Commission (CPSC) is releasing today the names of the drywall manufacturers whose drywall emitted high levels of hydrogen sulfide in testing conducted for the agency by Lawrence Berkeley National Laboratory (LBNL). There is a strong association between hydrogen sulfide and metal corrosion.

The following list identifies the top 10 drywall samples tested that had the highest emissions of hydrogen sulfide, along with the identity of the manufacturer of the drywall and the year of manufacture, from highest to lowest.

• Knauf Plasterboard (Tianjin) Co. Ltd.: (year of manufacture 2005) China
• Taian Taishan Plasterboard Co. Ltd.: (2006) China
• Shandong Taihe Dongxin Co.: (2005) China
• Knauf Plasterboard (Tianjin) Co. Ltd.: (2006) China
• Taian Taishan Plasterboard Co. Ltd.: (2006) China
• Taian Taishan Plasterboard Co. Ltd.: (2006) China
• Shandong Chenxiang GBM Co. Ltd. (C&K Gypsum Board): (2006) China
• Beijing New Building Materials (BNBM): (2009) China
• Taian Taishan Plasterboard Co. Ltd.: (2009) China
• Shandong Taihe Dongxin Co.: (2009) China

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