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DIY Roof Wash
Posted on 7/5/23 at 10:03 pm
Posted on 7/5/23 at 10:03 pm
Looking for suggestions for a DIY roof wash for an asphalt shingle roof. I tried the bleach/dawn/water mixture but didn't see too much result. Has anyone tried an approach that worked for them?
Posted on 7/5/23 at 10:08 pm to ed3303
I have had good luck with Wet & Forget Stain Remover but my only issue was brown/black staining.
Posted on 7/5/23 at 10:30 pm to ed3303
I don't know what they put in Jomax, but that stuff seems to supercharge the bleach/water mix
Posted on 7/6/23 at 1:19 am to ed3303
I watched a few videos the other day. Looks like a lot of pros use a 50/50 bleach/water mix. Is that what you used?
Posted on 7/6/23 at 7:07 am to ed3303
I’ve tried a few things from Home Depot and nothing seemed effective. I scrubbed a small area under a tree shade area with a brush and that helped a little. Too much to do the whole roof though. I know the commercial guys use something that will kill all your plants if they don’t cover them below the roof. My neighbor had this happen. I prefer something I can spray since I don’t want a pile of people stomping around on my roof. Next roof i get, I’ll have the Zinc strips installed at the top to kill the algae.
Posted on 7/6/23 at 9:13 am to ed3303
The commercial guys use bleach, but a stronger mix than the usual.
Pool supplies have "chlorinating liquid" that is a stronger mix (10-12%). That should probably be cut in half. Add a little soap as a sufactant to make it stay in place longer.
Pool supplies have "chlorinating liquid" that is a stronger mix (10-12%). That should probably be cut in half. Add a little soap as a sufactant to make it stay in place longer.
Posted on 7/6/23 at 2:11 pm to ItzMe1972
I know a guy that claims using chlorinating liquid is where it’s at. Haven’t tried myself, though.
I’m curious what’s the best to use on white tin, if anyone knows? Like a presoak prior to pressure washing. I picked the wrong time of the year to do my shop an could use some chemical help
Not trying to hijack….
I’m curious what’s the best to use on white tin, if anyone knows? Like a presoak prior to pressure washing. I picked the wrong time of the year to do my shop an could use some chemical help
Not trying to hijack….
Posted on 7/6/23 at 2:22 pm to Obtuse1
Wet and Forget works but the results won’t be immediate. It took a couple of weeks for me to see the roof shingles look completely clean. I used the concentrate and probably over diluted it, but it definitely worked. My nephew soft washes in Georgia and he buys pool chlorine from WalMart…probably the same stuff other people are talking about.
Posted on 7/6/23 at 3:21 pm to ed3303
The key for a DIY soft wash mixture to match what the pros use is to add a surfactant to your mix. This is what causes the mixture to cling to your roof instead of just rolling back down and into your gutters.
So just google roof wash surfactant mixture for some ideas.
So just google roof wash surfactant mixture for some ideas.
Posted on 7/6/23 at 3:23 pm to ed3303
Is there any consensus on potential harm done to the shingles? I always fear on the it's the mildew holding them together or something and this stuff will cause them to dry rot away.
Posted on 7/8/23 at 9:25 pm to indytiger
I used approx 50/50 bleach and water with about 80z of blue Dawn as a redneck surfactant to help keep it on the roof while it did it's thing. I saw a little improvement in appearance but not enough to notice if you weren't looking for it.
This post was edited on 7/8/23 at 9:27 pm
Posted on 7/8/23 at 11:22 pm to Baers Foot
quote:
The key for a DIY soft wash mixture to match what the pros use is to add a surfactant to your mix. This is what causes the mixture to cling to your roof instead of just rolling back down and into your gutters.
So just google roof wash surfactant mixture for some ideas.
Is this the same as Roof Snot? That's what the soft washers use around here to get the chemicals to cling. I thought it was different than a surfactant but I may be wrong.
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