A couple of articles on drywall that is making people sick.
All houses affected have shown a common symptom — blackened, scorched wiring behind switch plates and wall plugs — and, coupled with homeowner health symptoms, that’s allowed research to proceed, Martin said.
The pungent, rotten-egg-like smell permeates the two-story home. Throughout the house, electrical outlets are open to reveal black corrosion on the copper wiring. The air conditioning unit’s air handler, inside the house, is blackened.