So we picked up our brand new fifth wheel last month, and though I don't think my wife is happy about it I already plan on poking holes in it :) I am going to mount a cell booster antenna on the si...
3M makes the best marine product for this. I just did "minor repair" and used this and good for underwater on boats. Lowes has this in stock for around 14 dollars a tube 3m 5200
