Let’s go. I’ll take ya fishing. Just got the boat in the water for the first time this year yesterday!
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Ended up doing a car port, garage, and house roof. Had so many bags of debris I couldn’t fit them all and had to bring my pickup to take away the rest.
4.5 hours and collected my check.
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It blows my mind people let their roofs get this bad.
How long does a roof take to get so bad like the various pics you’ve posted the last few months?
I dont know…one…maybe two months? 
I would think that this is years and years of neglect. I had a come to jesus talk with thee people telling them that this isnt going away overnight and set proper expectations with them. I will check in with them next spring after the snow melts and re blow and re treat most likely. This one was a doozy.
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Some work in progress. Came back to check on this one and she seems to be coming along nicely. I was in a bit of a hurry so will take some after pics later on in the year. Blew everything off for the customer and re applied so will have a good collage of green to clean soon!
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As usual I probably underbid for this. The guy wanted his back half of the roof treated, and the front just blown off and rinsed. I explained to him he would probably want the front to be done as well to make it uniformly clean but he didn’t want to pay for that. He was a bit grumbly about the front not looking as good but everything was discussed beforehand and he wanted to save cash.
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What was your process on this one. Just roof mix and some soap?! Asking about blue roof specifically!
Wait for a sunny day because I don’t like falling to my death. Leaf blow the roof.and then gutters. Go down below and clean everything while it’s all dry.
I used 3% on this. It was pretty nasty. my proportioner soap is set to like .5 out of 10.
I know racer says pre wet the roof but I don’t because it’s not all that hot up here and that would take forever to dry enough for me to walk the dang roof again.
I apply on 3 to 4 panels at a time and work my way backwards. I use a 4ft lance hooked up to a m5 twist. I apply, let dwell, and if need be on the really gross panels, I will re apply. It doesn’t take too long. I then hit the gross stuff with the m5 while taking care to not wet the panels I haven’t worked yet. You need dry area to walk, and I just go from top of panel to bottom. Usually the 3 panels at a time like in the pictures.
Then I rinse generously. I always bring a soft bristled brush, but usually don’t need it. I used it the first 10 Minutes while trial and erroring.
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Dwell time is what you need. Someone on here said that dwell time is the one tool in our toolbox we don’t use enough of.
I never said pre-wet metal roofs, asphalt yes, lol. Your method works, I’ve used it and even a fairly dirty one, a couple of passes with my HW mix with about 5min dwell in between is usually enough.
@Racer when you say “hw mix” you mean downstreaming the hw mix or 12v straight softwashmix?
downstreaming regular hw mix but of course depends on how bad
I apologize then. For some reason I thought you also prewetted metal roofs. I know you pre wet the shingle roofs to make the growth more ready for chemical like a sponge, and then pre wetted the metal roofs to cool them down so nothing flash dries on there. TBH I have probably read too much and its all starting to blend together
oh man. I dont have a remote, just a drop stick for housewashing so that would be the biggest pain in my butt haha.
I like using the 12v system because its less pressure and i can really focus on only having the 3 or 4 panels being wet. once the pressurewasher is in there it gets a little sloppy and wet so usually i have a panel or two barrier i use to help contain it and keep from getting trapped on wet roofing.
i also usually use 1.5-2 percent but this was BLACK. It doesnt show it justice in the pictures honestly.
No need to apologize. I haven’t done enough metal roofs to know, though if it was 95% and in the sun, I might, but would definitely let dry first. You’ve done more metal roofs in your first year than I’ve even seen.
Half priced haircut = Free mullet.
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