grant whipp wrote:+1 for what Mark & Rob said ... try to get the grey or black stuff ... the white & off-white stuff dries out and chalks up and ends up being worthless.
If you are using RV style Roof edge Moldings (the kind with the vinyl insert), then use the RV Putty Tape ... if using the traditional roof edge molding (with the screws exposed), use a bead of latex caulk in the corner and a bit around each screw hole.
God luck, and as always ...
CHEERS!
Grant- I am using the RV Insert Roof Edge Molding. I have read your opinion that you use putty tape and not butyl tape, but when I looked up RV putty tape online, it says it is Butyl. So, according to your recommendation above for the RV Putty Tape, is it butyl or not? Thanks!!

Lauren