@mikehallyall - right - these aren’t glass at all and the dirt on them is organic so to me, it’s like a housewash - not gonna see any streaks on these babies unless you go up onto the roof! - Thanks for the feedback Mike.
sends pics when you are done and let us know how it went, be safe up there!
Finally finished last night. That was a hot job! (95 yesterday here)
As it turns out, the stains just laughed at house-wash mix and some even at 4%! I was able to get it though and it came out looking pretty good. When I scoped it out last week, there was a panel that wasn’t secured - the storms we had here took care of that - the panel was ripped off - that’s why you see the black tarp covering the end 4 or 5 panels.
Thanks everyone for your help and suggestions - it’s great to have somewhere to ask for suggestions and you guys always come through!
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Did you brush it, or just let the SH do all the work?
Both actually. When I started with the first few panels, I applied about 3% and brushed - very slow process. Then, with the next set (about 5 at a time) I hit as far as I could reach standing with about 1500 psi - which took it off with a couple of passes (I hit it with 3% prior to) and noticed that the more I let it dwell, the easier the top sections came off. I then ended up hitting the top sections with 4-6% and after maybe 20 minutes of dwell was able to get a lot of it to move with my M5 with one foot up on the panel (essentially doing lunges which I’m paying for today - in addition to climbing the ladder too many times!) I blew a hose, my 12v eventually ended up not pulling SH (water and surf but no SH so troubleshooting that this weekend - pump stops until demand but there’s gotta be a leak somewhere…) In the end, I think that hitting with strong SH, 15-20 minute dwell and using the M5 would have done it. I made sure to wet the panels down before I started - mainly to cool it down so I wouldn’t just flash the SH off when I hit it, but also just to get things flowing and reduce the strength of the SH just in case.
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Nice work. Looks good. Some good info in this post for everyone.
Thanks Rick! Coming from you that means a lot. I made sure to move the dirt away from the perimeter based on suggestions you made in other posts.
(I’m glad to be on to something else - that was very hot work!)
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