clear finger nail polish. I've read before you can use it to keep decals from lifting. I don't know whay I didn't think of that.

I've mixed epoxy and microbaloons together for a filler. It works well, but for sealing the balsa!? I'll have to try it. Epoxy is fairly tough for me to sand. Maybe it's easier if you thin it like you mentioned. I'll try it tonight.

What's polyester resin? Forgive my ignorance.

The Ultra cote does seem to stick to the dope well. The engine compartment is not sanded an is therfore very porous (SP?). (I didn't build the plane) I could use the epoxy/resin filler to seal it though. I guess that'd kinda replace the doped surface though.


Thanks all! I think I'm gonna try either thinning epoxy/microballons or the resin idea, if I can find the resin. I think it'll work nicely if you say the coating will stick to it.

I gotta 'nother question too, but I'll put that in another post.