Tree Sap or Pitch Removal

Ken Freund Coach & Powertrain

March 11, 2013
Filed under RV Tech Q&A

I don’t know if you can help me, but I parked my Coach House motorhome on the Oregon coast for more than a month under some fir trees, and now I have a fiberglass roof that’s covered in tree sap/pitch. I have tried dish soap, Simple Green and other cleaners to remove it, but it will not all come off. There are black spots and streaks on the fiberglass and I am afraid of damaging this roof if I continue to use these products. What, if anything, can you recommend? I live in a small town and do not have access to large retail stores and my closest Camping World is about 40 miles away.
K. E. Peterson
Crowley, Texas

Try a rag soaked in turpentine. You should be able to obtain turpentine at hardware and paint stores. Follow with a cleanup using Simple Green and clean water.

— Ken Freund

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