ORIGINAL: airbusdrvr
When I have a seam loosen with Ultracote, I clean as much of the exposed area as I can get to with alcohol(acetone will remove the glue) and then re iron it using about 230 degrees on the iron.
I don't have a lot of lifting problems with Ultra, I over lap by about 1/4 inch and the stuff sticks well to itself. If I do get a lift I do what ABD does or what mike does. As for going through blades, I have a strop on my bench and just sharpen them as I build. My blades are a lot sharper that way then they are right out of the box. I used two blades to build and cover four kits before they got nicks in them, that's when I tossed them for new ones.