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Post Info TOPIC: apply from the bottom or top


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i clean a roof 2 days ago,the roof was not walk able,this roof i had to make my way to the top and spray from the top and let it roll down to the bottom,

the last 5 roofs i clean,i could start from the bottom and make my way back to the top and the move over and start again.and the roof came clean and look great

but the roof that i could not walk, had heavy stains and came clean somewhat! about 90% clean,but today i drove back by it†check on the roof and it looks better but you can see where†the stains were,i apply two coats to this roof

what i would like to know is there anything i can do like apply a coat again, or do i need to apply from the bottom up to avoid run off!!

thanks†
eric††



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Do you have any pictures of this job?

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Keep in mind also that in addition to an extra spray, you most likely need to heat up your mix. When it's running off at a more rapid rate, it isn't having the required time to dwell. You can also add some more surfactant to slow the flow down.


Jeff

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Roof Cleaning Central Pennsylvania

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Jeff

I†GAVE THAT SOME THOUGHT,BY THE TIME I GOT ENOUGH ON THE ROOF IT WOULD ROLL OFF PRETTY FAST,DEWL TIME WAS NOT LONG AT ALL,THANKS I WILL GIVE IT A TRY

-- Edited by Eric at 11:19, 2009-03-08

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Until we try out the new Chlorine compatible surfactant, add your alcohol and surfactant last.

Add it right after you get everything setup, hoses, ladders, etc. So your mix will be fresh.

The alcohol and dawn will weaken the bleach over time.

-- Edited by Roof Cleaning Pro Greensboro NC (336)362 7659 at 16:13, 2009-03-08

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here mike

some pics are still alittle wet,

https://i574.photobucket.com/albums/ss188/ericbayou/roofcleaning044.jpg

https://i574.photobucket.com/albums/ss188/ericbayou/roofcleaning044.jpg

https://i574.photobucket.com/albums/ss188/ericbayou/roofcleaning041.jpg

https://i574.photobucket.com/albums/ss188/ericbayou/walt4l.jpg

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Looks good. What is it with the houses not having gutters further down south. Are the houses in Louisiana all like that, like in Florida?

It looks like all the black streaks are gone.

Take a look at it after it has rained a few times, that should clear up the rest.

-- Edited by Roof Cleaning Pro Greensboro NC (336)362 7659 at 11:24, 2009-03-08

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MIKE NOW THAT YOU SAY THAT I HAVE ADDED THE DAWN AND ALCOHOL LAST ON†ALL THE HOUSE I HAVE DONE,BUT ON THIS ONE ,I ADDED IT ABOUT 2 HOURS (MAYBE) BEFORE DOING THE JOB,LOOKS LIKE I OWE YOU ONE AGAIN,THANKS MAN


AND AS FOR GUTTERS NOT ALOT OF HOMES HAVE THEM,I WOULD SAY MAYBE HALF,NOW THIS HOUSE HADE THEM ONLY IN THE BACK


TAKE A LOOK AT THE HOUSE WE DID 3 DAYS AGO,HEAVY STAINS AND†THE HOME OWNER SAID THEY WE†MAY NOT† BE ABLE TO GET†THE STAINS OFF†BECAUSE THEY WERE SO HEAVY,††

https://i574.photobucket.com/albums/ss188/ericbayou/roofcleaning051.jpg

https://i574.photobucket.com/albums/ss188/ericbayou/roofcleaning057.jpg

-- Edited by Eric at 11:40, 2009-03-08

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SWEET!! Don't you love proving people wrong?

You can't do that, that's not going to come out, I'm going to have to replace my roof.

Oh, yeah??!!! Watch this!!!!!!!! HA!





-- Edited by Roof Cleaning Pro Greensboro NC (336)362 7659 at 11:52, 2009-03-08

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O I HAVE FAITH IN† IT,HELL I WAS SHOCKED BUT I KNEW IT WOULD DO IT,NEEDLESS†TO SAY THE HOME OWNER WAS VERY HAPPY,†

-- Edited by Eric at 11:55, 2009-03-08

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You probably knew this, just in case.

TSP is compatible with bleach and you can pre-mix it with hot water at your house and have your bleach/water/TSP ready before you get to the job and then add the dawn/alcohol.


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yes i hav been mixing the tsp the night before and then the next morning when i mix bleach,i add it then and yes i am going to wait til i am at the job before i mix,dawn and alcohol,

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Eric, using the Delavan 5850 pump, have you tried upgrading your hose to 5/8" or 3/4",† with a 3/4" PVC ball valve, & #40 nozzles?

It will make a HUGE difference!

The 1/2" hose with the 1/2" poly gun chokes your flow, slows your pump down, and will not shoot as far as your pump is capable of.

The larger hose and ball valve will also help your pump last longer because it won't have to work as hard pumping through small diameters.



-- Edited by Roof Cleaning Pro Greensboro NC (336)362 7659 at 14:31, 2009-03-08

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I AM GOING TO UPGRADE THIS WEEK AND GIVE IT A TRY,JUST GOT 4 MORE JOBS,ABOUT AN HOUR AGO,SO I WILL BE ABLE TO TRY IT FIRST HAND,THANKS

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Eric, I'm gonna take it easy on ya bro. I think you got some bad SH or didn't let it dwell long enough in those last two pics. In the afters, I can clearly see stains remaining around that roof line. I would hit that again if possible.

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yes we had problems getting it to stick and not roll off,this is†one of those jobs were i am just going to have to stay at the job longer and let it dry then reapply, so the roll off isn't as bad,† and the SH†, i thought was good. i am getting it from the place that makes it ,not a place that resells.i have been†using a 55 drum in about 3 to 4 days,so i would think it isn't going bad,†

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Funny thing is, that with chlorine, you don't realize you got a bad batch until you get a good batch. Then it's kinda' like "WOW, this must be how it's supposed to be".


Jeff

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Raystown Roof Cleaning
Central, Pa

(814) 644-1396 or 1-800-236-0322

Roof Cleaning Central Pennsylvania

Huntingdon, State College, Lewistown, Altoona









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i have about 15 or so gallons out of drum from last week, i am going to try it and see,if i have any luck with it,the drum from last week i clean 3 roofs and it did good,so i will try it,

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