What to use other than caustic?

Mark 8262

Residential and Commercial Pressure Washing Specia
I have several drive thrus to do that are surrounded by asphalt. If I did want to use caustic due to that asphalt what chemicals/mixute would you suggest?

A few of these drive thrus have new asphalt and some have been recently seal coated. I would rather not use caustic.

Thanks for your help.........see ya at the RT in Prattville
 
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