tony Lacks
5/12/2014
We have Galvalume roofing with Ac units on the roof. will a non acid foaming condenser cleaner harm the finish. The label says it contains Potassium Hydroxide.
Eric Novotny
An informed customer is the Best Customer!
5/23/2014
I would be cautious and call the manufacturer. The aluminum component of the roof is likely going to be reactive with the KOH.

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