One cause of the white powder could be the deterioration of the carpet backing.
White dust under carpet.
White efflorescence caused by high water movement pushing salts out of a concrete floor slab.
The stuff is powdery and uniformly white or light in color if that helps.
What the hell is the sand like dust under my rug and why won t it go away.
It sounds like you have a chronic efflorescence problem.
On mine at least it s definitely latex from the backing that s bonded to the rug.
The white powder under your rug is latex and its powdery mess is a common occurrence with hand tufted rugs.
As a hand tufted rug owner you may notice a strange white powder or residue on the floor or padding when lifting up a corner of the rug.
I think it might be my chair rolling around on the carpet since it s only bad where my chair is but i also use it for playing games and that side is fine a.
Efflorescence is a process where salts leach out of the concrete carried by water and end up on the surface as a white dusty residue.
There is a canvas with the design mapped out that the wool strands are inserted into using a tufting gun.
Hand tufted rugs are constructed from different parts that are glued together.
However it could be problematic for some people.
When the mist lands on furniture or other surfaces and dries it can sometimes leave behind the dried mineral deposits or white dust.
White mold growing in your closet or anywhere in your home should be removed to reduce adverse effects.
One interesting case that comes up more often than usual is the report of a white powdery substance underneath a carpet.
That s the reason believe it or not that carpet professionals say you should vacuum every.
For most people the white dust is nothing to be concerned about.
A pest control expert can tell which pest is the culprit by looking for differences in the sawdust under magnification.
Sometime vinyl and other materials break down and the result is a powder under the carpeting.
Mold grows on almost any surface including wood carpet and food.
White residue and powder explained.
White dust is usually caused by mineral content in the water that goes into a humidifier.