Where mold grows easily
Attics with roof leaks or inadequate ventilation
Basements with dirt floors or water problems
Behind and under showers, tubs, toilets, & bathroom walls
Books, magazines, newspapers
Carpeting and padding
Ceilings [from roof leaks]
Ceiling tiles
Clothing
Crawl spaces
Drapes
Drywall in ceilings and walls
Garbage disposal
Heating/cooling equipment & ducts
Humidifiers & vaporizers [inside]
Leather items
Paint
Paper, cardboard & other paper products
Plants [house plants]
Rags
Upholstered furniture
Walls [from siding, roof, & plumbing leaks]
Wallpaper & behind wallpaper
Wood products Frequent Causes of Mold Growth
Basement flooding and water intrusion
Closeness to lake, river, or ocean
Clothes dryer exhausting into walls or attic
Construction defects + poor workmanship
Crawl space
Dryer venting into walls or attic
Exhaust fans venting into walls or attic
Firewood indoors
Flooding
Lot grading downward to home
High indoor humidity [60%+]
Humidifiers & vaporizers
Inadequate ventilation
Indoor plants
Overflow from tubs, showers, sinks, & toilets
Landscaping mistakes like mulch & plant glut
Leaky roof
Venting inadequacies in kitchen & bathrooms
Sewage pipe leaks
Siding water leaks
Water supply pipe leaks
Wooded setting keeps out sun
Wet clothes

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