The Gypsum Files

Notes on the Rock Nobody Knows

Could domestic drywall be a culprit?

with 2 comments

This week the media have picked up on a story launched by CBS News claiming that corrosive wallboard may come from domestic producers as well as from China. According to the AP:

Of roughly 2,100 complaints received by the commission, about 25 involve homeowners who reported issues with American wallboard, [Scott] Wolfson [of the Consumer Product Safety Commission] said. That is not enough data to make a determination.

A University of Florida study conducted for CBS News tested new samples of U.S. drywall, new samples of the Chinese material and Chinese wallboard from problem homes.

The scientists found that most of the new U.S. samples released sulfur fumes, but at a lower level than the Chinese product taken from homes. However, the study also found that some American product had higher emissions than some of the new Chinese material.

Drywall troubles spread to domestic


Written by Elizabeth McCullough

November 26, 2009 at 4:22 pm

2 Responses

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  1. An important Chinese drywall lawsuit deadline is approaching. By Wednesday, December 2, Chinese drywall claimants whose homes were built with wallboard made by Knauf Plasterboard (Tianjin) Co., Ltd. must sign on to an omnibus class action lawsuit if they want to take advantage of an agreement that will greatly streamline the litigation process. This is a good place to get information on filing a suit: and includes a toll-free number



    December 1, 2009 at 5:14 am

  2. The first Chinese drywall lawsuit begins this month, and here is some good information on this ongoing issue: Among other problems, people living with Chinese drywall have suffered eye, respiratory, and sinus problems that may be linked to the gases emitted from defective Chinese drywall that produce a sulfurous odor and permeates homes, causing metals, including air conditioning coils and even jewelry, to corrode. Some 500 million pounds of Chinese drywall was imported into this country since the late 1990s, impacting about 100,000 homes.



    January 5, 2010 at 3:26 pm

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