I talked to a fellow modeler at quite length about Koverall one day as it was the only covering he would use and his finishes were always a work of art. He said dope was the best material he had used to fill the weave. He suggested doing it in the garage to save stinking up the house. As far as the loose threads, he said he trimmed them with a razor blade after the first coat of dope had dried instead of sanding since that tended to just fuzz the edges even worse.

Hope that helps.

BTW, I'm going to cover my Ikon N'West 1/5 scale Cub with Koverall just as soon as I can get the ambition to finish the kit.

John