I don't know for certain, but for much of the items attached to the fiberglass cap WBGO just uses an epoxy glue. Search for what people use to reattach the "hood" brackets. These are glued on and they fail all the time. So there are many posts about what epoxy has worked for some and what hasn't.
2017 Winnebago Adventurer 37F
2016 Lincoln MKX Toad