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The contaminant is pyrrhotite, a naturally occurring sulfur-based mineral that degrades or “rusts” when exposed to air and water.
Piping in walls may also be a source of mold, since they may leak (causing moisture and condensation). [ 10 ] Spores need three things to grow into mold: nutrients – cellulose (the cell wall of green plants) is a common food for indoor spores; moisture – to begin the decaying process caused by mold; and time – mold growth begins from 24 ...
Cracked walls: Cracks may be horizontal, vertical, diagonal or stair-stepped. Severe pressure or structural damage is evident by widening cracks. Buckling walls: Usually caused by hydrostatic pressure. Walls appear to be bowed inward. Peeling paint: Water seeping through walls may lead to bubbling or peeling paint along basement walls. [4]
Glass, plastic, and concrete provide no food for organic growth and as such cannot support mold or mildew growth alone without biofilm present. In places with stagnant air, such as basements, molds can produce a strong musty odour. [5] The pink "mildew" often found on plastic shower curtains and bathroom tile is a red yeast, Rhodotorula.
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Mildew and other molds are actually very common in homes, per the CDC.And while prolific mold growth happens when there’s, say, a roof leak, it doesn't take major water damage to cause mold to ...
Mold in the home can usually be found in damp, dark or steamy areas, e.g. bathrooms, kitchens, cluttered storage areas, recently flooded areas, basement areas, plumbing spaces, areas with poor ventilation and outdoors in humid environments.