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Date: Mar 9, 2010
Soft Wash Questions
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What is considered soft washing psi? PSI under 100? What is the average psi coming from a residential faucet? In some cases, we may have to wash/rinse the surface, but should a customer ask I would like to be able to tell them what soft washing consists of.
Thanks,
Mark

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Mark Mastio
Shoreline
- Window Cleaning, Pressure Washing, & Dryer Vent Cleaning
Freeport, Fl.


Guest

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im pretty sure a the regular psi for a garden hose is around 40 psi

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VIRGINIA BEACH, VA
757-289-8343
Roof Cleaning Virginia Beach Hampton Roads VA



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I do believe you're right there Chris.I know here the average house water runs between 40-60psi

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Low pressure on a roof is under 100 psi.





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Roof Cleaning Wake Forest, Raleigh, Knightdale, Rolesville, Youngsville NC



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I know this may not be answerable, but do you think the psi of a hard rain is? I guess I am trying to figure out an acceptable or safe psi to rinse a roof should it be needed. If I advertise soft wash, I want to be sure I am using softwash psi. The asphalt tech bulletin says no high pressure sytems are to be used. That is too general and vague. I need more specifics.
Thanks,
Mark

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Mark Mastio
Shoreline
- Window Cleaning, Pressure Washing, & Dryer Vent Cleaning
Freeport, Fl.


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If you are using a 12v pump set-up, just rinse with that. Or a garden hose. Both are acceptable and should both be around 40-60 psi.

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I would consider soft washing to be what a garden hose spits out, which is 40-60 psi..

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Blake Meaux
Restoration Roof Clean, LLC.
Phone: 281-853-5753


Houston Texas Roof Cleaning

 



Guest

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also the thing ofcorse you want to consider when rinsing is the gpm not the psi. as long as the psi is around 40-80 that should be fine.

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DUFFY'S-DIRT-BE-GONE
VIRGINIA BEACH, VA
757-289-8343
Roof Cleaning Virginia Beach Hampton Roads VA



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I called the pitchwitch company today just to see what its psi is...They said 500. I cant believe guys get away with calling it low pressure. Yeah, maybe for a pressure washer its low, but for a roof, no way Jose!

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Blake Meaux
Restoration Roof Clean, LLC.
Phone: 281-853-5753


Houston Texas Roof Cleaning

 



Premium Member Roof Cleaning Institute of America Certified Roof Cleaning Specialist

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I can rinse a roof with my 4000psi  @ 4gal./min pressure washer very safely and meet RCIA standards.

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Elephant Roof and Exterior Cleaning
Raleigh North Carolina

David Hoover

919-207-0666
Benson NC.

Roof Cleaning Raleigh NC


RCIA Founder

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Houston Texas Roof Cleaning (281) 853-5753 wrote:

I called the pitchwitch company today just to see what its psi is...They said 500. I cant believe guys get away with calling it low pressure. Yeah, maybe for a pressure washer its low, but for a roof, no way Jose!




We never use that kind of pressure for roof cleaning in tampa I have seen roofing shingles damaged by a garden hose with a jet tip.

 



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Brandon, FL 33511

813 655 8777

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500 PSI with the pitch witch, 800 PSI with the surface cleaner-on-a-rope-on-a-roof that the franchise guys use.... Imagine a one inch square on your foot, with 500 lbs on it!!

That's scary!

Consider a 12v pump (Fatboy in my case, might upgrade this year) at 60 PSI at ground level.  Now push that through 200' of hose, mostly coiled.  Now push that head 1 story, no make that 2 stories.  Now let the chem rain down on the roof like you're watering a fragile flower garden.

PSI?  No problemo.  Not our way, the right way.  smile.gif




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Roof.....40 to 60 psi

Houses...200 to 400 psi



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Wilmington NC.


Premium Member Roof Cleaning Institute Of America Certified Roof Cleaning Specialist-MODERATOR

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Date: Jan 10, 2011
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I have my external regulator on my Roof Cleaning pump set at 98psi.

As far as House Washing goes I would say I'm right about where Guy is on the PSI. Maybe a bit higher in real tough areas to Clean.

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Largo FL

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  Roof Cleaners Clearwater, Pressure Washers Florida  Roof Cleaners Saint, Petersburg FL 



guest

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Roof Cleaning Northern Virginia (571) 250 9650 wrote:

500 PSI with the pitch witch, 800 PSI with the surface cleaner-on-a-rope-on-a-roof that the franchise guys use.... Imagine a one inch square on your foot, with 500 lbs on it!!

That's scary!

Consider a 12v pump (Fatboy in my case, might upgrade this year) at 60 PSI at ground level.  Now push that through 200' of hose, mostly coiled.  Now push that head 1 story, no make that 2 stories.  Now let the chem rain down on the roof like you're watering a fragile flower garden.

PSI?  No problemo.  Not our way, the right way.  smile.gif




138394,

 



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Dwayne Miller
FLORIDAWASH
safe roof cleaning

Lake Marion Citrus & Sumter Counties in Florida


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nicely stated Ted!

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RCIA Founder

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Roof Cleaning Raleigh NC wrote:

I can rinse a roof with my 4000psi  @ 4gal./min pressure washer very safely and meet RCIA standards.



Some guys have dedicated roof rinsing only pumps, believe it or not.

 



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Apple Roof Cleaning Tampa Florida

711 Westbrook

Brandon, FL 33511

813 655 8777

See our website here 

Click here for more information

Here are more of our services

Watch a short video

 




 



Premium Member Roof Cleaning Institute of America Certified Roof Cleaning Specialist

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Date: Jan 11, 2011
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I wasn't saying I used my pressure washer to rinse. I was just saying with the right tip that I could do it.

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Elephant Roof and Exterior Cleaning
Raleigh North Carolina

David Hoover

919-207-0666
Benson NC.

Roof Cleaning Raleigh NC


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Date: Jan 12, 2011
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I don't rinse roof tops. Why would you?

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Ryan Freidline
A Team Roof Cleaning Northern Virginia
888.867.7615

Roof Cleaning Piedmont Northern Virginia

Fauquier, Loudoun, Prince
William, Arlington, Alexandria, Fairfax,
Chantilly, Annandale, Fredericksburg, Culpeper, Rappahannock, Woodbridge,



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B.A. wrote:

I don't rinse roof tops. Why would you?




If a realtor has a showing on Saturcay and They don't call until a few days before, and there's no rain in sight.

Jeff



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Central, Pa

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Roof Cleaning Central Pennsylvania

Huntingdon, State College, Lewistown, Altoona







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