Will Vinegar Harm Paint on Stucco?

I am in a bit of a dilemma. A building that we clean is having an issue with stray cats marking their territory on the stucco, and the urine smell is seeping into the building through the AC/Heating air vent. The owner of the building called me today and asked if I could remedy this problem for him. I have found numerous natural solutions online concerning what to spray to hopefully prevent cats from spraying; vinegar being the most common solution, but what my concern is, could the vinegar harm the paint in any way. The owner just had the building painted within the last year so I don’t want to spray anything on there that might stain or bleach out the paint. Could anyone give me a little insight, I’ve looked online and I can’t find the information I need.
Thanks so much!

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AmbivalentFriability · 26-30

I think it is very unlikely. I have used vinegar, diluted and full strength to clean a lot of things, including painted walls. I've yet to have vinegar stain or discolour anything.

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AmbivalentFriability · 26-30

If you find that vinegar isn't enough, you could look into products by Nature's Miracle. They contain an enzyme that actually breaks down the urine.
I've tried to clean dried-on dog pee off a wall (at an animal shelter) and vinegar did not work, even when I mixex it with baking soda. To be fair, it was many dogs peeing on the same spot and who knows how long it had gone without a proper cleaning.

AmbivalentFriability · 26-30

Good luck :)

Miryam · 61-69, F

@AmbivalentFriability Thank you, I will look up about Nature's Miracle

katielass · F

I don't think so but I'm not sure about possible repeated use. You could test it on a spot behind a bush or something so that won't show if it does discolour.

Miryam · 61-69, F

@katielass That's a great idea. There are no bushes around the building, but I will find an area that is not quite as visible to do a test. Thanks so much!

Spokeskitties75 · 46-50, M

Only if you heat it up first

Miryam · 61-69, F

@Spokeskitties75 Ok thank you!

cherokeepatti · 61-69, F

Organic orange oil will work really well too, I have used it in a spray bottle after cleaning the area the cats were marking. The effect will last for about 2 weeks and then needs to be reapplied.

Goralski · 56-60, M

Cat urine will stain any paint or finish. ..b sure to mention that to d owner

Miryam · 61-69, F

@Goralski I walked around his building with him today and showed him the problem, so he is aware, I just don't want to do anything that would cause further damage. Thank you!

Miryam · 61-69, F

Thank you so much for your input I really appreciate getting the information:-)

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