Many times moisture makes its way into the wall cavity and stimulates molds to grow. Given time they will start to “Bleed Through” the outside wall and at first look like a small dark area. If the moisture source is not obvious, further investigation by a pro is recommended.
About Victor Coppola
Victor Coppola has over 20 years in diverse environmental and strategic planning experience in the environmental and land development industries. Look to Victor for eco-friendly consulting and installation services to developers of commercial, industrial and residential projects; private clients; governmental agencies; allied professionals and individuals targeted for enforcement of perceived environmental violations.