San Francisco has had an ongoing problem with public urination. Well, just one gender is responsible for this problem, but I will let it go un-named. Anyway, the city realized it had to take this problem seriously when a three-story tall light post fell over due to corrosion. Sure, it was only one of the 25,000 that the city has, and no one was killed, the car it flattened was unoccupied, but there could be more about to go, right? (Granted, in this case, some of this corrosion may have been due to the urinary work of dogs—also of that same, un-named gender.) To fix the problem, San Francisco contacted a company in Florida that makes a specialized type of paint. It repels liquids! So the pee splashed back onto the shoes and pant legs of the pee-er! I'm not sure how this works with dogs....
This idea was first used in Germany, specifically Hamburg's St. Pauli quarter, where a LOT of late night beer drinkers were too blitzed to find a bathroom.
The program in San Francisco has been a great success! The calls to Public Works for steam cleaning has gone down 17% since last year. So far eight walls have been painted with eight more to be done next week. The cost (a few hundred dollars) is far less than the $80 an hour it costs to steam clean the walls.
Take a look at the video on the product Ultra-Ever Dry, especially the mud test at the end! Sadly, but wisely I suppose, there is no actual pee demo on the video so use your imagination as to how this actually works!
https://www.youtube.com/watch?v=IPM8OR6W6WE
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