I sprayed my squeaky hinge with aerosol lubricant just to stop the noise: two weeks later, looking at the frame, I understood what had run down the paintwork
That mysterious amber-brown trail running down your door frame isn’t paint failure—it’s dried aerosol residue doing exactly what chemistry intended, just in the worst possible place. When you spray WD-40 on a squeaky hinge at midnight, you’re not using it the way it was designed, and gravity always wins. Learn why this happens and the surprisingly simple fix that actually works.
