Any of the already mentioned methods will suffice. Make sure you inspect all seams and roof openings for cracked or lifted caulk. That is what causes more problems than the roof material.
2011 351RLTS Eagle, Mor/Ryde suspension & pin box
06 F350 Lariat PSD, SRW, LB, CC, EGR delete kit, 16K DrawTite hitch, Timbrens, TST TPMS
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