<P> Homeowners have reported health symptoms including respiratory problems such as asthma attacks, chronic coughing and difficulty breathing, as well as chronic headaches and sinus issues . </P> <P> Drywall, also known as plasterboard, is a building material typically consisting of gypsum - based plaster extruded between two thick sheets of paper and kiln - dried . </P> <P> Drywall was imported by the United States during the construction boom between 2004 and 2007, spurred by a shortage of American - made drywall due to the rebuilding demand of nine hurricanes that hit Florida from 2004 to 2005, and widespread damage caused along the Gulf Coast by Hurricane Katrina in 2005 . </P> <P> An analysis covering drywall imports since January 2006 showed that more than 550 million pounds of Chinese drywall was brought into the United States since then, enough to build 60,000 average - sized homes . </P>

When was chinese drywall used in florida homes
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