I use Simple Green to clean the roof. Also I have read that one should never use those citrus-based cleaners on RVs as it leaves some kind of residue that prevents adhesion of sealers. Everyone please be careful on the roof.
Quote:
Originally Posted by Mo_Mike
I read that before you add DICOR to repair seams you need to "clean" the existing DICOR seams. If you have a TPO roof, what is good to use to clean the old seams?
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