White Powder Under Carpet

If you have white mold visibly growing on your carpet then you have heavy mold growth underneath the carpet on the padding.

White powder under carpet.

In cool climates mold growth on floor joists is rare. I think it is just carpet freshener. The stuff is powdery and uniformly white or light in color if that helps. The white powder under your rug is latex and its powdery mess is a common occurrence with hand tufted rugs.

Efflorescence is the white powdery substance on the surfaces of unsealed concrete and the white blush seen with sealed floors. You shouldn t necessarily be concerned unless sections of your rugs pile or yarn are slowly surfacing. Heavy white mold growth on floor joists. White mold is often found in two locations in a crawlspace exposed soil and the lower portions of the floor joists.

Mold typically smells damp or musty. But when it occurs it s often white in color. Hand tufted rugs are constructed from different parts that are glued together. Posted by turducken at 3 36 pm on august 28 2008 in my experience it s the dirt filtering through the rug.

One cause of the white powder could be the deterioration of the carpet backing. Sometime vinyl and other materials break down and the result is a powder under the carpeting. Another cause could be alkaline salts coming up from the concrete slab underneath. I put the wet padding in a pile and.

A ph test evaluates this as well as by checking the moisture content of the slab itself. The white powder of which appears underneath a tufted rug is actually dried up particles from the glue which had once held wool securely to the canvas or foundation of the rug. On mine at least it s definitely latex from the backing that s bonded to the rug. Efflorescence is normally worn off or washed away on unsealed concrete surfaces.

Smelling mold in your home is another symptom of heavy mold growth. When i pulled the carpet padding up i found a lot of a white powdery substance.