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Michael Hohenberger
04-10-2016, 06:57 PM
Hey all. Stupid question but I simply have a black asphalt roof with "normal" algae coverage. Not too light but not too heavy either. What's the consensus of saturating the roof with SH and letting nature rinse it off. Thx!

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Michael Hohenberger
04-11-2016, 05:13 PM
Hey all. Stupid question but I simply have a black asphalt roof with "normal" algae coverage. Not too light but not too heavy either. What's the consensus of saturating the roof with SH and letting nature rinse it off. Thx!

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Well, I wasn't comfortable doing it that way so what I did was do a solid application with a good rinse. Then reapplied and left it. Results look very good. Feed back anyone?

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John Aloisio
04-11-2016, 08:59 PM
Michael,
No need to rinse unless there are no gutters. A typical 3% or 30% mix will work fine.

Doug Gore
04-14-2016, 11:21 PM
We rinse 90% of our roofs but they are usually no gutters or real thick. We also get a lot of morning dew that burns the grass at the downspouts if gutters are on......so rinse.

Michael Hohenberger
04-15-2016, 09:01 AM
We rinse 90% of our roofs but they are usually no gutters or real thick. We also get a lot of morning dew that burns the grass at the downspouts if gutters are on......so rinse.
Perfect!

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Doug Rucker
04-15-2016, 07:58 PM
Ive never rinsed a roof.....

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Michael Hohenberger
04-15-2016, 11:04 PM
Ive never rinsed a roof.....

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Seems like a personal preference kind of thing

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Doug Rucker
04-16-2016, 09:00 PM
Seems like a personal preference kind of thing

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Yes. It is.