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Chinese Drywall

How can I tell if my home has problem drywall?

Answer: There are many reasons that a home could exhibit similar symptoms to a home with problem drywall and it is important that you correctly identify the source at work in your particular circumstance. Briefly, the identification process for identifying whether problem drywall is present in a home is a two-step process. Step One: A visual inspection must show:

  • Blackening of copper electrical wiring and/or air conditioning evaporator coils and
  • Drywall installed between 2001 and 2009

 

If both of these are present, look for corroborating evidence.

Step Two: Corroborating Evidence: (if drywall was installed between 2005 and 2009, must have at least two of the below. For installations between 2001 and 2004, at least four of the following conditions must be met:)

  • Elemental sulfur in the drywall core (requires outside lab testing)
  • Copper sulfide on coupons, grounding wires, and/or air conditioning coils (requires outside lab testing)
  • Chinese markings on drywall (This does not imply that all Chinese drywall or that only Chinese drywall is associated with these problems, but that among homes with the characteristic corrosion, Chinese drywall is a corroborating marker for the characteristic problems.) Such markings may not be present or easily discerned in all problem drywall homes.
  • Elevated sulfide gas emissions from drywall (requires outside lab testing)
  • Corrosion induced by drywall in test chambers (requires outside lab testing)

Contact Us / Leave a Review

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CAROL F.

Thanks so much Tim! Thank you for your recommendations and being so thorough.
1st Priority Inspections
2015-07-16T22:24:28+00:00
Thanks so much Tim! Thank you for your recommendations and being so thorough.
https://www.1stpriorityinspections.com/testimonials/carol-f/

Cathi W.

Thank you so much for getting this done so quickly. Merry Christmas to you and your entire family.

Keller Williams Integrity First Realty

1st Priority Inspections
2015-07-16T22:24:53+00:00

Keller Williams Integrity First Realty

Thank you so much for getting this done so quickly. Merry Christmas to you and your entire family.
https://www.1stpriorityinspections.com/testimonials/cathi-w/

Jamie

Hi Tim, Thank you for the reports, all read in detail and understood. Do you have any idea what may...
1st Priority Inspections
2015-07-16T22:25:14+00:00
Hi Tim, Thank you for the reports, all read in detail and understood. Do you have any idea what may have caused the truss members to break? Just wondering if it's possible it will happen again.
https://www.1stpriorityinspections.com/testimonials/jamie/

Jared D, E.I.T.

Tim, Thank you very much, it was great meeting you as well. We greatly appreciate the work you did.
1st Priority Inspections
2015-07-16T22:25:32+00:00
Tim, Thank you very much, it was great meeting you as well. We greatly appreciate the work you did.
https://www.1stpriorityinspections.com/testimonials/jared-d-e-i-t/

Joanne S.

Thanks for your time and expertise today, they were very much appreciated. I have received your report and sent a...
1st Priority Inspections
2015-07-16T22:25:59+00:00
Thanks for your time and expertise today, they were very much appreciated. I have received your report and sent a copy on to my husband, who is currently in OR on business. We'll be sure to contact you with any questions that come up as we move forward with the purchase of this property.
https://www.1stpriorityinspections.com/testimonials/joanne-s/
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