Woven rugs (rugs you can see the design on the back the same as on the front) mostly have COTTON foundation fibers. If these rugs have cotton fringes, then you know if it is a hand woven rug that these are the fiber warps that run through the inside of the wool rug you are looking at.
This means, when you have a spill on these rugs ... especially a hot, acidic spill (like urine, vomit, coffee, tea) - it will penetrate the wool fibers and get soaked up into the cotton interior fibers.
With pet urine, this means what you see at the top side is literally the tip of the sewage iceburg.
This rug had several areas of repeated urine activity - so much so that mildew and dry rot was setting into the rug.
To help release the urine salts from inside this rug, we poured acetic acid on the worst areas before we even began our wash.
Someone here on TMF sent me a message about trying to remove the urine odor from a rug in an on-site cleaning.
That is not possible.
You may be able to cover it up with a fragrance - but these rugs need to be soaked and the contaminants removed from the inside of the rug. That needs to be done at a plant - and you do a disservice to clients if you do not insist on this. Even if you are washing it on your driveway at home, the rug needs a bath.
That said - you need to have experience with fiber testing, dye testing, construction type adjustments, and pre-inspection before you jump from on-site surface cleaning of rugs to truly washing rugs the way they are meant to be washed.
I just made a post on my Rug Chick blog on pets and rugs - there is some more information there.
Happy New Year!
Lisa
CLICK here for post - Pet Accidents Happen... Now What?





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