Rubber questions

You can get a universial black trim for the edge of the glass that gives you a little better looking trim piece, but your gonna have to urethane that whole glass in and get it sat up off the pinchwelds properly to get it to look right, My buddy works for Safelite glass and I have helped him install many custom cut glass on custom vehicles and almost all don't look right just urethaned in! I would paint all the trim black instead and use the stock window seal, I think you are in for a whole lot of problems with just using urethane.