Three thousand houses at risk from toxic plaster











constructions defect investigations
How to detect and what to do

WASHINGTON, D.C. - U.S. authorities issued the recommendation to remove about 3 thousand homes affected by pollution from gypsum imported from China. The poor state of drywall in your home can create health problems, bad odor in your residence and even air conditioning failure.

Pitfall

The Department of Housing and Urban Safety Commission U.S. Consumer Product recommended not only to remove the plates in question but also "to replace electrical cables, gas pipes, irrigation systems, anti fire and fire alarms carbon monoxide."

In November, authorities had formally established a link between the sheetrock and air pollution with hydrogen sulfide, emitted in quantity hundred times higher than normal due to a high concentration of sulfur in this product.

"In December 2008, CPSC received the first report on the poor state of drywall, mostly manufactured in China. Since then, the CPSC has identified the causes and solutions for drywall problems," said President the CPSC, Inez Tenenbaum.
So the Department of Housing and Urban Development (Housing and Urban Development, HUD) together with the Commission for the Safety of Consumer Products U.S. (Consumer Product Safety Commission, CPSC) issued a guide to identify when your drywall are in poor condition.

Two steps to verify

Following is a summary of the HUD and CPSC guide:

1. Visual inspection. Check if there is blackening of copper electrical cables and / or evaporator coil air conditioning. We must also review the installation of new drywall (for new construction or renovations) between 2001 and 2008.

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2. Corroborating evidence. Check for:

• Corrosion in the home, through the formation of copper sulphide metal strips, or through the presence of sulfur in the wires or coils of air conditioning.
• Marks on drywall.
• Issues specific chemical gypsum.

Families with insurance from the Federal Housing Administration (FHA) that are experiencing problems associated with gypsum panels may be eligible for assistance to help them rehabilitate their properties.

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