Magnadyne RV71 Recreational Vehicle rubber mast AM/FM antenna RV Motorhome 72" lead

I'm up on top of my coach it's time to install the UHF VHF antenna up at the front and I've decided I'm gonna use a magma base so my question is how do you get a magma to stick to a fiberglass roof and how do you get it to ground this time on k-6 you da radio alright guys so today's the day I'm installing my UHF VHF antenna and I decided it's gonna be a magma base with an nmo mount I've got a couple of issues that go along with this number one is I gotta get this magma to stick to a fiberglass roof second of all it's got to have a ground point but what are the advantages of doing it this way well number one this coach I am up here over 12 feet tall in a full-size diesel pusher Motorhome so I've got very little clearance up here when I go under bridges or some trees and so if if I get if the antenna gets hit by a bridge or something that wants to win it'll knock this thing over and I can