What Causes the Dark Lines on the Edges of the Carpet?

I have talked about the dark lines around the edges of the walls several times in my blogs. Often, when performing carpet cleaning in Portland homes I have noticed the existence of black lines around the walls.

There seems to be some confusion as to what causes these lines and what can be done to correct them.

These lines are called filtration lines. They are caused by dirty air traveling around the edges of the carpet throughout the home. Generally, if the air filters in the home have not been changed regularly then unfiltered dirty air that looks like soot travels throughout the home and rests on the edges of the carpet and under the door openings.

These type of lines can be removed using specialized cleaning procedures.

So please change your air filters on time avoiding filtration soiling issues. This will not only improve the appearance of the carpet, but provide a healthier living environment as well.

If you have any questions, please let us know.

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