I have had pretty good results from attaching the Koverall with Stix-it, then sealing the fabric with water-based polyurethane. A couple of coats, sanding in between. The WBP dries to the touch fast, but remains a little soft so best leave a day or so between each coat and sanding. Final finish was whatever you like, I used latex paint with a clear top sealer.

I wouldn't use Koverall on any project under .60 sized or where small wing area is an issue. It can get heavy, but you have to do your part and put down the paint gun.

Bob