Some people wash their roof and treat with 303 or other treatments. I do at least once a year but I do get up their at least twice a year to inspect the roof.
I would very much recommend inspection of all the edges, the sealant around the vents, antenna, etc. on the roof. The major cause of roof problems is leakage that goes undetected until damage has been done. If you have not done it a visual check is not enough. Take a fingernail and see if the sealant will come up or is loose. If it is, read up on how to do it and repair or replace with Etearnabond.
Lots of good you tubes on roof maintenance and research it on the search function in the yellow line near the top of the page.
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2017 SLX 195RB
2021 Jeep Grand Cherokee Summit L 5.7L V8
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