Once you spot mildew or mold, it’ll be time to call one of the roofing companies in NYC. But the mildew we’re talking about is that black stuff that sometimes shows up inside our houses. These are molds. But what they have in common with their outdoor relatives is that they thrive only in certain conditions. To wit, they need moisture and certain temperatures to grow on many types of surfaces, from plant leaves to stored garments. In the home, mildew develops on damp cotton, linen, rayon, silk, wool, leather, wood, and paper. Many synthetic fibers resist it. It commonly develops in humid summer weather, especially in houses that are closed. Another thing all mildew needs to flourish is darkness and dampness; it also prefers places where fresh air is not circulated. So cellars, crawl spaces, and closets are ideal areas for it, as are roofs.
At high risk are draperies and rugs in basements, shower curtains and bathtub caulk in bathrooms, and damp clothes rolled up for ironing.Continue Reading