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Carpet and Wall Discoloration: Suspected Causes, Prevention and Clean-up

Discolored areas on carpet and walls have been reported to Home Innovation Research Labs’s ToolBase hotline and other sources from locations throughout the United States. Discoloration is characterized by localized darkening of the original color of walls, carpet and other interior surfaces. Carpet discoloration often occurs at the perimeter of the room and along the base of doors. The discoloration of walls can be diffuse, or appear as “ghosting” – a darkened line along the studs in the walls.

Advanced HVAC Humidity Control for Hot-Humid Climates

File Under: Ventilation & Indoor Air Quality

The U.S. Department of Energy (DOE) Building America Program has spurred innovations in building efficiency, durability, and affordability for more than 25 years. Elevating a clean energy economy and skilled workforce, this world-class research program partners with industry to leverage cutting-edge science and deployment opportunities to reduce home energy use and help mitigate climate change. In cooperation with the Building America Program, Home Innovation Research Labs is one of many Building America teams working to drive innovations that address the challenges identified in the Program’s Research-to-Market Plan.