And yet they look so professional in the reflective gear
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Gotta love all the granules flooding down the roof into the gutters. Quality work!!!
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I wonder if they post treat to remove any lines
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That is in Europe. From what I know, they have some stricter laws about using ladders, getting on roofs, etc. I think they try to find ways not to have leave the ground. I suppose if you have a say a 1500 psi machine set-up with two lines you are hitting it with 375 psi per nozzle (assuming 2 nozzles per surface cleaner). I guess that might work, the video appears to show it getting clean, just wonder how much gravel is coming off as well?
You could softwash as far as you could use those surface cleaners with extensions. Probably farther and do a better job clean too.
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Well they are in Ireland. I watched another video and the guy as using what looks like 20 inch surface cleaner with a cable or rope, standing at the top of the roof and feeding the line as the cleaner when down the roof, pulling it back up move over and do it again. It was either a clay/formed stone barrel shingle roof. I have seen on these types of roofs other video where it is surface cleaner or wand cleaning. We don’t have those around here, so I have never had to clean one to know personally. I have done two metal roofs and spray, dwell and rinse did not work on either. One I had to wand clean and the other I use a 24ft extension pole and soft brush due to pitch.
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2 machines on a 1500psi unit will both get 1500psi each…the flow rate is what gets cut in half. You have to adjust the psi with the nozzle.
