<P> `` Chinese drywall '' refers to an environmental health issue involving defective drywall manufactured in China , imported to the United States and used in residential construction between 2001 and 2009 -- affecting `` an estimated 100,000 homes in more than 20 states . '' </P>
<P> `` Chinese drywall '' refers to an environmental health issue involving defective drywall manufactured in China , imported to the United States and used in residential construction between 2001 and 2009 -- affecting `` an estimated 100,000 homes in more than 20 states . '' </P>
when was chinese drywall used in the us
when was chinese drywall used in the us
between 2001 and 2009
between 2001 and 2009