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March 2009
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Chinese Drywall dissolving copper in Florida

Drywall is one of the most important materials in housing. It literally defines your interior spaces.
 An article in USA Today says that a Chinese drywall manufacturer, Knauf Plasterboard Tianjin produced defective drywall that is releasing  gasses that are corroding copper pipes and wire.

"Homeowner lawsuits allege that the drywall has
corroded air conditioning and refrigerator coils, microwaves, computer
wiring, faucets and copper tubing.

Tests paid for by Lennar say the drywall appears
to emit sulfur gases that can damage air conditioning coils, electrical
plumbing components and other material.

In one test, copper pipe turned black after four
weeks when placed in a sealed container with a piece of affected
drywall, according to a lawsuit filed Jan. 30 by Lennar against Knauf
Gips of Germany and its Chinese affiliate, Knauf Plasterboard Tianjin,
and others. The pipe then started to corrode, Lennar says."

According to the article up to 60,000 homes with the majority in Florida are affected.

"Lennar and Taylor Morrison, a home builder based
in Arizona with a dozen affected Florida homes, say they're absorbing
the expenses of relocating residents for the several months it can take
to repair affected homes.

Lennar says it used the Chinese-made drywall in
a small percentage of Florida homes built from November 2005 through
November 2006. It's not being used in new homes, it says. Lennar and
Taylor, both of which build homes outside of Florida, say they're not
aware of homes outside of Florida being affected."

Source: USA Today

Not a very good deal on something that accounts for a small percentage of a construction budget, yet defines a house. One more reason I use USG Drywall.

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