46+ Dark Spots On Ceiling. In the last few years it's developed dark areas where the sheetrock was i assume this has to do with the cold winters. When i brought it up to my land lord, they said that it had to be mold or mildew from the humidifier that i run everyone once in a while (and always with his door open).
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The spots are dark brown (perhaps black), and small. In this case, it was due to areas of missing insulation in the attic. Dark spots usually occur as a result of hyperpigmentation.
What causes small brown spots on ceilings?
Should i seal the spots and. Sometimes, the body tends to overproduce melanin (the pigment that gives your skin, eyes and hair their color) in some areas. Dark spots usually occur as a result of hyperpigmentation. In this case, it was due to areas of missing insulation in the attic.