Call Microshield Today and schedule Your Chinese Drywall Threshold Inspection. (407) 383-9459
The Centers for Disease Control CDC, U.S. Consumer Product Safety Commission CPSC, U.S. Environmental ProtectionAgency EPA, and th U.S Department of Housing and Urban Development HUD have established guidelines for the identification of Chinese Drywall which include;
Scientific Findings: Drywall from some, but not all, Chinese manufacturers emits elevated levels of hydrogen sulfide gas which cause metal corrosion.
Identification Guidance: A two-step process that compiles corroborating evidence can identify a home with the specific problem drywall.
Remediation Guidance: Replacement of drywall, electrical components and wiring, fire and CO safety alarm devices, piping for gas service and fire suppression systems will eliminate the problems associated with problem drywall.
Our Chinese Drywall Inspection and identification is a two step process:
The first step in the Chinese Drywall Inspection is an initial or threshold inspection to find visual signs of metal corrosion and evidence of drywall installation during the relevant time period.
The second step in the Chinese Drywall Inspection is the identification of corroborating evidence or characteristics. This may involve collecting evidence of these corroborating conditions and testing by analytical laboratories.
Threshold Inspection
The Chinese Drywall Threshold Inspection must show:
(a) Blackening of copper electrical wiring and/or air conditioning evaporator coils; and
(b) The installation of new drywall (for new construction or renovations) between 2001 and 2008.
A positive result for this step (including both criteria) is a prerequisite to any further consideration.
Corroborating Evidence
Because it is possible that corrosion of metal in homes can occur for other reasons, it is important to obtain additional corroborating evidence of problem drywall.
Homes with the characteristic metal corrosion problems must also have at least 2 of these corroborating conditions if the new drywall was installed between 2005 and 2008.
For installations between 2001 and 2004, at least 4 of the following conditions must be met. Collecting evidence of these corroborating conditions will in some cases require professional assessors and/or testing by analytical laboratories.
(a) Corrosive conditions in the home, demonstrated by the formation of copper sulfide on copper coupons (test strips of metal) placed in the home for a period of 2 weeks to 30 days or confirmation of the presence of sulfur in the blackening of the grounding wires and/or air conditioning coils;
(b) Confirmed markings of Chinese origin for drywall in the home;
(c) Strontium levels in samples of drywall core found in the home (i.e. excluding the exterior paper surfaces) exceeding 1200 parts per million (ppm);
(d) Elemental sulfur levels in samples of drywall core found in the home exceeding 10 ppm;
(e) Elevated levels of hydrogen sulfide, carbonyl sulfide and/or carbon disulfide emitted from samples of drywall from the home when placed in test chambers using ASTM Standard Test Method D5504-08 or similar chamber or headspace testing4;
(f) Corrosion of copper metal to form copper sulfide when copper is placed in test chambers withdrywall samples taken from the home.
Call Micoshield and schedule Your Chinese DrywallInspection Today! (407) 383-9459
Call Microshield Environmental Services, LLC, Indoor Air Quality Solutions for answers to all your indoor air quality questions. We can provide you with a superior Indoor Environmental Assessment or Orlando Mold Inspection. Call Lydia Today! 407-383-9459
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The Indoor Air Quality Solutions Consultants are Certified Indoor Environmental Consultant, Certified Mold Inspector, Certified Mold Investigator, Certified Microbial Consultant, Certified Mold Remediation Supervisor, Florida Licensed Mold Assessor. Indoor Air Quality Solutions provides Florida with the best Orlando indoor air quality Inspection, Orlando Radon Testing, Chinese Drywall Inspection, Mold Remediation Protocols, Orlando Air Testing. We offer the best affordable Orlando Mold Inspection, Asthma and Allergy Testing, & Orlando Mold Testing by Florida Licensed Mold Assessor Microshield Environmental Services, LLC & John P. Lapotaire, CIEC The most trusted names in Indoor Air Quality (IAQ) Orlando indoor air quality inspection, Orlando Mold Remediation Removal Florida
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