Since you had the first leak, my bet is the Dicor blistered when moisture was “out gassing”. Might want to recheck after a few days the next time you do it.
I would strongly discourage the use of Eternabond. If in fact there is trapped moisture, and you seal it in with the tape, your probably asking for more severe issues down the road. JMO, YMMV.
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2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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