These 2 threads may help. I have an EPDM rubber roof. I do not know if yours is metal or rubber.
For Dicor roof caulk, wash the roof and let is dry completely. Then caulk
For the Eternabond, wash the roof as well, let is dry then prep the surface with Eterna Cleen or Acetone. Note: you only use this on the small places you are applying the Eternabond, not all over. Eternabond has some good instructions on their web site and the flyer that comes with the product.
Hope this helps and good luck. Need more info, ask away
PS I'm assuming you are talking about the caulk or over the top part. Not the Butyl sealing tape that goes under roof flanges etc. If not, let's talk some more on the sealing tape.
Current Sunlines: 2004 T310SR, 2004 T1950, 2004 T2475, 2007 T2499, 2004 T317SR
Prior Sunlines: 2004 T2499 - Fern Blue
2005 Ford F350 Lariat, 6.8L V10 W/ 4.10 rear axle, CC, Short Bed, SRW. Reese HP trunnion bar hitch W/ HP DC
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