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Started By
Message
Roof cleaner - algae mostly
Posted on 8/13/18 at 5:57 pm
Posted on 8/13/18 at 5:57 pm
9
Posted on 8/13/18 at 6:02 pm to pwejr88
Worth a try, try multiple attempts, don’t do anything abrasive to roof though
Posted on 8/13/18 at 6:05 pm to Chad504boy
Yeah I’m definitely using low pressure water if anything. One article says 50:50 bleach/water and rinse and the one I linked says spray when it’s not supposed to rain and you’re done.
This post was edited on 8/13/18 at 6:11 pm
Posted on 8/13/18 at 7:55 pm to pwejr88
It works great but takes time. Spray it on every six months.
Posted on 8/13/18 at 8:20 pm to pwejr88
It works on concrete.
Posted on 8/13/18 at 8:36 pm to Sody Cracker
Dang.
I’m a “instant gratification” kinda guy.
Should I just go with a bleach/water mix?
I’m a “instant gratification” kinda guy.
Should I just go with a bleach/water mix?
Posted on 8/13/18 at 8:36 pm to pwejr88
Black stuff? What I found that works really well is OxyClean. I mixed it up in a rain barrel that I hooked up to a transfer pump and sprayed the roof down. I'd let it soak for about 30 minutes to an hour or so then apply again, the runoff looked like coffee. After about 3 - 4 treatments I hosed it off with clean water. This was about 3 years ago and still looks clean.
Posted on 8/13/18 at 9:02 pm to pwejr88
I tried that shite on my composite deck and it wasnt any better than a stiff mixture of chlorox and dawn
I still had to pressure wash it
Remember it may kill it but it aint gonna just roll off
I still had to pressure wash it
Remember it may kill it but it aint gonna just roll off
Posted on 8/13/18 at 9:18 pm to pwejr88
Try OxyContin Clean from Billy Mais La
Posted on 8/13/18 at 9:32 pm to pwejr88
Clean your roof with bleach and a sufactant like dawn. Once it’s clean, the wet and forget will help it look better longer if you reapply every now and again.
Posted on 8/13/18 at 9:46 pm to Clames
Same stuff Michael Jackson used
Posted on 8/14/18 at 6:39 am to Clames
What was the mix ratio?
Posted on 8/14/18 at 6:43 am to Drop4Loss
Should never pressure wash a roof. I removes the gravel so your shingles will deteriorate very quickly.
Posted on 8/14/18 at 9:48 am to pwejr88
quote:
Should I just go with a bleach/water mix?
Yes. Be sure to rinse thoroughly all bushes etc that may get wet or the bleach could kill/damage them.
Posted on 8/14/18 at 9:49 am to pwejr88
quote:
Dang.
I’m a “instant gratification” kinda guy.
Should I just go with a bleach/water mix?
in that case you better off going with straight bleach in a pump sprayer and just go to town with it. wet roof first before you start spraying though and the first rain you want to be sure to not let roof water drip on anything you dont want bleached
Posted on 8/14/18 at 10:44 am to pwejr88
Mix 1 part chlorine bleach, 3 parts water and a splash of TSP (Trisodium Phosphate).
Spray on, wait then rinse off.
Cover any shrubbery, etc.
Spray on, wait then rinse off.
Cover any shrubbery, etc.
Posted on 8/14/18 at 11:15 am to Polar Pop
quote:
Mix 1 part chlorine bleach, 3 parts water and a splash of TSP (Trisodium Phosphate).
Spray on, wait then rinse off.
Cover any shrubbery, etc.
This gives me an idea. I might do the same, but add some roundup. clean roof and kill weeds all at once.
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