Teardrops n Tiny Travel Trailers

I'm looking at different ways to seal the edges of my camper. I came across a post where someone said he used strips of bedsheet in place of fiberglass tape for sealing edges. Instead of using epoxy with I was thinking of using TBII, similar to how people use canvas and TBII for their tears. Will this work? Or is this a flawed train of thought?

Nevermind my question! I'm going to canvas the entire camper