the dicor self leveling lap sealant is good stuff too if you need to go around any vents, antennas etc. just clean off the old and apply new. I have a dicor roof.
06 F350 4X4 Crew Cab Dually Tow Boss
07 Raptor 3612DS
06 Raptor 700R 50th Anniv Edition - mine
06 Wolverine 450 - wifes
13 Can Am Spyder ST-Limited - more mine
14 Can Am Spyder RT-S - more hers