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Old 05-28-2008, 01:02 PM   #16
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Algae like substance growing on roof


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Originally Posted by apple roof cleaning View Post
He He
It MAY require more them one treatment of the salt to kill GROWING Algae ?
But, the salt may be good enough to PREVENT algae from growing, or re growing on a roof.
Tell you a true story.
I clean roofs for a living, and a little old lady hired me to clean her roof.
One side was totally clean, the North Side.
Her Grandson was an auto detailer, and applied Armor All to the roofs north side.
It was spotless, but the rest of the roof was filthy.
I have spilled Armor All on driveways, and seen mildew grow all around the spilled armor all.
Actually, I have given preventing algae quite a bit of thought, since this is how I make a living.
What is needed is a time released plant poison applied to a roof.
I THINK if you mixed some copper sulfate in a cheap wax or silicone, and applied it to a roof, it would keep it clean long term, until the wax or armor all, or silicone wore off.
Time Released Copper Sulfate, or even SALT ?
dammmmm Armor All a roof ,,$$$$$$$$$$$$$$$$$

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Old 05-28-2008, 01:12 PM   #17
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Algae like substance growing on roof


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dammmmm Armor All a roof ,,$$$$$$$$$$$$$$$$$
it dont HAVE to be Armor All.
Like I said, the elderly lady's Grandson detailed cars, probably used some generic Armor All ?
Even a cheap liquid wax will work.
Just mix some copper sulfate in it, and apply to the roof.
The wax "Traps" the copper sulfate, so it dont all rinse off right away.
Every time rains come, it "treats" the roof.
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Old 05-28-2008, 01:45 PM   #18
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Algae like substance growing on roof


Quote:
Originally Posted by apple roof cleaning View Post
it dont HAVE to be Armor All.
Like I said, the elderly lady's Grandson detailed cars, probably used some generic Armor All ?
Even a cheap liquid wax will work.
Just mix some copper sulfate in it, and apply to the roof.
The wax "Traps" the copper sulfate, so it dont all rinse off right away.
Every time rains come, it "treats" the roof.
so he poured it on the ridge ???
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Old 05-28-2008, 02:06 PM   #19
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Algae like substance growing on roof


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so he poured it on the ridge ???
The elderly lady said he sprayed the Armor All on the north side of the roof.
The North Side Should have been the first to get dirty, but it was spotless.
The rest of the roof was filthy.
Try it yourself, spill some Armor All on a small spot of the driveway.
In a year, there will be mildew growing, but not in the armor all spot.
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Old 05-31-2008, 12:12 PM   #20
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Algae like substance growing on roof


Zinc is also a very good algicide. I think "rain handlers" make strips of the stuff that can be nail up at the ridge. When it rains the Zinc will leach it's "poison" onto the roof.
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Old 05-31-2008, 02:52 PM   #21
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Algae like substance growing on roof


They dont work so good for keepig roofs clean here in Florida.
I will TRY and post a picture.
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Algae like substance growing on roof-tampa-roof-cleaning-002.jpg   Algae like substance growing on roof-tampa-roof-cleaning-005.jpg  
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Old 06-01-2008, 01:51 PM   #22
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Algae like substance growing on roof


I came across this on the internet. Worth a look?

ttp://www.sprayandforget.com/faq.shtml
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Old 06-01-2008, 08:05 PM   #23
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Algae like substance growing on roof


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I came across this on the internet. Worth a look?

ttp://www.sprayandforget.com/faq.shtml
Sure, it is worth a look.
The "trick" is to prevent Algae before it starts growing.
There are many ways to do that.
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Old 06-08-2008, 07:16 PM   #24
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Algae like substance growing on roof


this thread got big while i was away..lol..i will try out the copper sulfate and hopefully it works...maybe i'll spend a few days armor all'ing the roof...do they make buffers big enough for roofs?? lol i want the roof to blind the neigbhors! just kiddin
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Old 06-08-2008, 07:27 PM   #25
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Algae like substance growing on roof


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this thread got big while i was away..lol..i will try out the copper sulfate and hopefully it works...maybe i'll spend a few days armor all'ing the roof...do they make buffers big enough for roofs?? lol i want the roof to blind the neigbhors! just kiddin
use a floor buffer
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Old 06-08-2008, 08:19 PM   #26
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Algae like substance growing on roof


I thought Armor All shined w/o buffing
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Old 06-09-2008, 02:32 PM   #27
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Algae like substance growing on roof


www.sprayandforget.com Claims to get rid of it over a few months. and prevent it thereafter.
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Old 06-09-2008, 02:59 PM   #28
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Algae like substance growing on roof


It IS a Plant, and once dead will "lose it's grip" over time.
In MY experiences as a Tampa Roof Cleaner, a LONG time.
People here expect instant results, and just won't pay unless we leave with their roof clean.
ANY plant killer, even saturated Salt Water, can be used to kill the Algae.
Perhaps the spray and forget stuff has an something else in it.
to Hasten the demise and removal of the plant growing on the roof ?
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Old 06-09-2008, 05:00 PM   #29
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Algae like substance growing on roof


They don't say whats in it other than some sort of algaecide.

Lotsa info at the website. Photos of before & after, and a FAQ section etc.


SECTION II COMPOSITION/INFORMATION ON INGREDIENTS
HAZARDOUS
INGREDIENTS OSHA PEL/TLV ACGIH TLV STEL OTHER LIMITS
Proprietary
Algaecide
NE NE NE NE
SECTION III - Physical Data
BOILING POINT: 212
MELTING POINT: -55 C
VAPOR PRESSURE (MM HG.): NOT DETERMINED
VAPOR DENSITY (AIR=1): NOT DETERMINED
SOLUBILITY IN WATER: SOLUBLE
SPECIFIC GRAVITY (H20=1): .99 %
VOLATILE BY VOLUME (%): 85%
EVAPORATION RATE: 1
APPEARANCE AND ODOR: CLEAR, COLORLESS LIQUID, MILD CITRUS ODER
PH: 11.5
SECTION IV - Fire and Explosion Hazard Data
FLASH POINT: NONE FLAMMABLE
LIMITS: LEL: NONE UEL: NONE
EXTINGUISHING MEDIA: WATER, FOAM, CARBON DIOXIDE, DRY CHEMICAL
SPECIAL FIRE FIGHTING PROCEDURES: NONE UNUSUAL
FIRE AND EXPLOSION HAZARD: NONE
SECTION V - Health Hazard Data
EFFECTS OF OVEREXPOSURE: NONE
EYES: MILD IRRITATION
SKIN: MILD IRRITATION WITH PROLONGED CONTACT
INGESTION: NONE
INHALATION: NONE
EMERGENCY FIRST AID PROCEDURES:
SKIN: REMOVE CONTAMINATED CLOTHING AND LAUNDER BEFORE REUSE. WASH W/SOAP&WATER.
EYES: FLUSH EYES WITH WATER FOR 15 MINUTES. CALL A PHYSICIAN.
INHALATION: NONE
INGESTION: NONE
SECTION VI - Reactivity Data
STABILITY: STABLE
INCOMPATIBILITIES: ANIONIC DETERGENTS & OXIDIZING AGENTS
HAZARDOUS DECOMPOSITION PRODUCTS: THERMAL DECOMPOSITION MAY GENERATE CO & CO2
HAZARDOUS POLYMERIZATION: WILL NOT OCCUR
CONDITIONS
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Old 06-09-2008, 05:10 PM   #30
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Algae like substance growing on roof


1 part bleach,3 parts water,quarter cup trisodium phosphate(tsp)

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