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Shingle Roof Cleaning - Black Algae

Posted on 5/10/17 at 10:20 pm
Posted by skullopener
Baton Rouge
Member since Oct 2010
2182 posts
Posted on 5/10/17 at 10:20 pm
Anyone got their roof cleaned recently?

Looking for costs and reliable cleaner in Ascension or EBR area.

Posted by Dock Holiday
Member since Sep 2015
1637 posts
Posted on 5/11/17 at 6:55 am to
Cajun Soft Wash just did mine, I recommend him for sure. Generally it's about 0.10 to 0.20 cents per square foot.
Posted by Sody Cracker
Distemper Ward
Member since May 2016
3409 posts
Posted on 5/11/17 at 8:19 am to
If you are able to get on your roof, spray on Wet and Forget. It is a great product.
Posted by poule deau
Member since Jan 2009
1405 posts
Posted on 5/11/17 at 8:39 am to
quote:

Wet and Forget


I second that.

Have not used it on shingles but used it on tin and wood and it works as advertised.
Posted by TigrrrDad
Member since Oct 2016
7119 posts
Posted on 5/11/17 at 2:13 pm to
Anyone know if Wet and Forget would have any adverse effects on plants/flowers? Don't have gutters, so the runoff would go straight into my garden. Though if necessary I'm sure I could thrown down some dropcloths or a tarp.
Posted by Maniac979
The Great State of Texas
Member since Jan 2012
1904 posts
Posted on 5/11/17 at 7:18 pm to
Wet & Forget is much cheaper on Amazon if you aren't in a hurry to get started.
Posted by skullopener
Baton Rouge
Member since Oct 2010
2182 posts
Posted on 5/11/17 at 8:54 pm to
All good recommendations, Thank you.
Posted by Sody Cracker
Distemper Ward
Member since May 2016
3409 posts
Posted on 5/13/17 at 11:29 am to
quote:

TigrrrDad


I don't think it will harm plants or grass. That said, you don't need to apply an amount that would lead to run off.
Posted by Cmk07c
Metairie
Member since Jan 2017
218 posts
Posted on 5/13/17 at 12:52 pm to
A lot of bleach and a surfactant is the process. A 12 volt sprayer from tractor supply and you could do this in a day, assuming pitch isn't crazy.
Posted by Clames
Member since Oct 2010
16572 posts
Posted on 5/13/17 at 2:31 pm to
Commercial version of OxyClean does a better job, that's what I used with a garden pump and a modified garbage can. Spray the roof, let it soak, rinse it off. Water runs off looking like coffee.
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