Surprisingly though, sometimes what you think is a mold problem is actually drywall ghosting, so don't grab your bleach and ...

But if the lines clearly trace the framing behind the drywall, they're more likely to be evidence of a phenomenon called “ghosting” or “thermal bridging.” The good news is that while it ...

And the drywall nails, being made of steel, also have a high degree of electrostatic conductivity. If you paint your home again, the ghosting will reappear unless you eliminate the source of the ...