Dick,
If the surfaces are properly cleaned the 3M VHB tape will work. What I like to do is use a combo by leaving 1" spacing between the tape along the run and then running glue or silicone at the gaps so this way you have a belts and suspenders approach.
Good Luck!
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Les and Sue Young, 2009 Int 4400 LP, 2020 DRV Mobile Suites [/url] https://ramblingrvrat.blogspot.com/2019/11/freedom-from-grid-rambling-rv-rats.html[/url]
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