White Powder Mold Under Carpet

Severe infestations of mold are visible on carpet.

White powder mold under carpet.

Heavy white mold growth on floor joists. If you have white mold visibly growing on your carpet then you have heavy mold growth underneath the carpet on the padding. Sometime vinyl and other materials break down and the result is a powder under the carpeting. Ripped up the old carpet today and found a white powdery substance under the carpet pad.

One cause of the white powder could be the deterioration of the carpet backing. Another cause could be alkaline salts coming up from the concrete slab underneath. Smelling mold in your home is another symptom of heavy mold growth. Common food sources for white mold include wood drywall carpeting laminate insulation and any other organic carbon rich material.

White mold is often found in two locations in a crawlspace exposed soil and the lower portions of the floor joists. A ph test evaluates this as well as by checking the moisture content of the slab itself. But when it occurs it s often white in color. Like other molds white mold grows due to high moisture levels combined with the presence of a food source and the right temperature.