Bud , need help, crs and my notes on this are not here. covering is world tex fabric,balsarite to hold on, what do ypu use to bury the overlap seams, memory hits me, that you mix talcum powder and either butyra or nitrate dope to make filler for the seams, sand very easy. would you know if this is right and which type of dope? this will be painted with laquar. thank you jim