extra thick lichen.anything special to do??

There's nothing to rationalize. What you're saying is wrong. Simple as that. Idk why anyone even trying to discuss it.

If anyone said that the best way to clean greasy dumpster pads was to use cold water and low pressure and volume, he'd be ridiculed and nobody would even argue because its ridiculous.

Nonsense is nonsense.

Rinsing for marketing purposes is one thing. But saying the leftover salt damages the roof if you don't? Now you're lying for marketing purposes. Shame on you.
 
In this neck of the woods we have tons and tons of moss. You spray it and it's dead, but still sticks like glue. So you low pressure rinse it till the cows come home and it won 't come off. High pressure rinse will do it, but takes forever and beats-up asphalt singles.

Spray it and after the roots rot out it'll just fall off. Not a same day or same month thing.
 
Rapid HotClean said:
In this neck of the woods we have tons and tons of moss. You spray it and it's dead, but still sticks like glue. So you low pressure rinse it till the cows come home and it won 't come off. High pressure rinse will do it, but takes forever and beats-up asphalt singles.

Spray it and after the roots rot out it'll just fall off. Not a same day or same month thing.
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Was wondering where you were on this? I know you mention moss all the time. I gave you a green dot because it will finally let me!
 
Whole House Before.jpgMoss Roof Before.jpgMoss Roof After.jpgSmall Roof Before.jpgSmall Roof After.jpg

Here Is a job in Middlebury, CT done 2 weeks ago. It had very severe moss & lichen, it was a complete roof clean. Simply spraying bleach on this would be a bad idea. You may bleach out the color of the moss and lichen, but it would still be there. The roof needs to be rinsed and the moss & lichen removed. In winter, if that moss and lichen is still there it will absorb the water melting during the days and then freeze at night. The expansion and contraction of the freezing roots from these organisms will ruin a roof by loosening the granules. Simply bleaching this stuff is doing a disservice to the homeowners as it continues to cause damage.

This job was completed in one day using a 3% solution, multiple applications, and a high volume, low pressure rinsing.
 
That moss would have all been off come Feb or march. The snow and ice would have no effect. Matter of fact snow and ice would allow it to release quicker and naturally. If we do rinse moss off we always wait at least 2 weeks after initial application to ensure the roots of the moss are ready to be removed safely.
 
I have an 8 and a 7 gallon machines to rinse. We used 2 pumps to apply solution on that house a bandit from bob . That was a long wide house. I have a 3.8 pump on a hand cart and fill a 25 gallon trash can for the solution for far away areas and to get more done . It's also the back up for break downs and what I used to use all the time .

it took 3 application to soak it . Then a test spot . Did one rinse. Reapplied an application . Rinse most off . Reapplied application again . Went and did other parts of roof . Rinse the bad section again . Reapplied solution again for final application . Went around house to clean up and back for final detailing of the area .

I was up against spray and pray guys and was way higher but I've done a few in the hood like that. I told the lady if you go with spray and pray guy pay the fee in installments 1/3 first day 1/3 after 3 weeks and the rest when it's gone or I'll get it done in one day. The installment thing works best .
 
Diamond Jim said:
I have an 8 and a 7 gallon machines to rinse. We used 2 pumps to apply solution on that house a bandit from bob . That was a long wide house. I have a 3.8 pump on a hand cart and fill a 25 gallon trash can for the solution for far away areas and to get more done . It's also the back up for break downs and what I used to use all the time .

it took 3 application to soak it . Then a test spot . Did one rinse. Reapplied an application . Rinse most off . Reapplied application again . Went and did other parts of roof . Rinse the bad section again . Reapplied solution again for final application . Went around house to clean up and back for final detailing of the area .

I was up against spray and pray guys and was way higher but I've done a few in the hood like that. I told the lady if you go with spray and pray guy pay the fee in installments 1/3 first day 1/3 after 3 weeks and the rest when it's gone or I'll get it done in one day. The installment thing works best .
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Jim, how did you rinse the garage roof? That one is pretty steep.
 
The other side was walkable to shoot down and I have a 17 and 12 foot little giant step ladders to work off of . Sometimes we have to lay the ladder on the roof but haven't done that in a while.
 
In these here parts and necks of the wood I just let the rain do its job.
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Doug Rucker
Clean and Green Solutions
Pressure Washing Roof Cleaning School
Call or Text 281.883.8470
 
Diamond Jim said:
Doug that's Texas fluff . You don't need to use bleach at all just light pressure and be done with it . Over kill !
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Absolutely no way I would use any type of pressure on a roof, especially since it's not needed. Have actually done the method you speak of before, (no bleach) and the moss is back in usually about 3 months. No pressure and No Moss after a few hard rainstorms. Results speak for themselves, and I don't have to climb up one side of a roof to shoot down another. AND customers are absolutely thrilled.
 
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