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Our Founders Website -> Locate A Certified Roof Cleaner | Roof Cleaning Institute Of America -> General Discussion - Training Center -> Roof won't come completely clean?
Post Info TOPIC: Roof won't come completely clean?
sweetwaterfish


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RE: Roof won't come completely clean?
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Also....That top portion acts like a ski-slope and shoots water off the the lesser pitch. Its likely the Garbrel is getting near zero direct rain/water on it, other than a very cursory sprinkle. In fact if you look at the "after" picture, the darker algae residue is higher on the roof line, this again make me thing its just not getting rinsed well. The lower portion has gotten rained on and the algae is gone from there.

If you are really concerned and want to test my theory, climb up the roof , get to the edge of the top portion and rinse downwards to the vertical portion. See if that doesn't clear it up.



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Ray Burke
Spray Wash Exterior Cleaning
850.528.3226
visit our website
Soft Washing and Pressure Washing
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Serving Tallahassee, FL, The Big Bend
and SW Georgia
http://www.spray-wash.com
 
sweetwaterfish


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I know this mansard took quite a while for the rains to naturally rinse it properly.



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Ray Burke
Spray Wash Exterior Cleaning
850.528.3226
visit our website
Soft Washing and Pressure Washing
Licensed & Insured
Serving Tallahassee, FL, The Big Bend
and SW Georgia
http://www.spray-wash.com
 
Apex Roof Cleaning


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WOW Ray that looks like a different roof. I'm gonna spray it again on friday and then rinse it off with the garden hose. I will post the results. Thanks for all the input. Besides this roof, all the algae moss and lichen we deal with up here has come off within several rains.

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Dan Cronauer

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sweetwaterfish


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Dan, we called that one MOM....for "Mother of all Mansards!!!!!!"

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Ray Burke
Spray Wash Exterior Cleaning
850.528.3226
visit our website
Soft Washing and Pressure Washing
Licensed & Insured
Serving Tallahassee, FL, The Big Bend
and SW Georgia
http://www.spray-wash.com
 
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