I also recommend Koverall. I also use Stix-It and Nitrate dope from Sig. I bought a half dozen packages of Koverall many years ago, you can cover a couple of 1/4 scale planes with one pack. I did the same with the Stix-It and dope. As long as the cans haven't been opened they will store for years. Koverall is similar to polyester dress liner, it is very strong and shrinks with heat, takes dope and all paints well. I usually seal the fabric with a couple of coats of nitrate dope, then use a filling primer and then either Krylon or Rustoleum paint. The dope will also shrink the fabric and keep it tight.