crega

Hi guys i set up a driveway cleaning business last sept 2005. Just a couple of quick questions, hoping you can help.. Whats the best way you have found to remove oil of driveways? I have tried nearly everything but still no joy.

I use a 200 bar cobra machine with a honda engine, but i am constantly having problems with pressure, mainly caused by me always using the customers outdoor tap. There's a couple of other companies that have set up in the area and they advertise saying they have got there own water supply. Can anybody advise me on this on how to get my own water supply, because then i would never have a problem with pressure, occassionally i do suck out of a bucket, but this can be quite time consuming, because its alwaysrunning out... many thanks craig.

Keth

Try this.

F-18 Max

http://www.pressuretek.com/f18max.html

You will most likely still have a shadow from the stain after using it if the stain is old but I tested it on my driveway and the shadow has faded quite a bit in just a week so I assume it will be gone soon.


Good luck.

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Dave Ott

[quote=crega;4563]Whats the best way you have found to remove oil of driveways?

Hot water and a good chemical. What are you using for chemicals now?
Any sodium hydroxide or potassium hydroxide will work.

Can anybody advise me on this on how to get my own water supply, because then i would never have a problem with pressure

If it will suck out of a bucket, depending on how much room you have. You may plumb your machine into a water tank like 50 gallons and up. This is also depending on how much your machine using per minute(GPM)

because its alwaysrunning out...

Try your best not to let that pump run dry or you will damage it from cavitating.

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R&A Pressure Washing

[quote=Dave Ott;4577]I know this is old thread, but a quick question what ratio to water would you make the SH mix?
I do use a degreaser, which gets rid of 99% of oil stains but was told that a caustic would help shift the carbon shadow, if it remains.

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Roger Oakley BDA(Europe) Member 2006
R&A Pressure Washing Services Ltd.
PWM Member
www.rapressurewashing.co.uk

Tmrrptr

Crega can start by trying a surge tank. as small as 35 or 55gals US will help. start filling soon as you get to each jobsite...

R&A try SH and see if it works for you. apply to spots with a garden sprinkle can and rinse after it sits... change dwell time or strength as needed.

Hope that helps a bit.
r

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