Quote:
Originally Posted by PressurePros
I'm sure its a good cleaner but it will not be cost effective to use. Find an MSDS on the product and I am 99% positive you will see the words "sodium hydroxide". You have to wash sodium hydroxide treated roofs up close and personal with 200 psi. Stick with the sauce.
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Sometimes they put Potassium Hydroxide in there Ken to make it easier to rinse.'
But it still requires pressure
A big NO NO