I use Ultracote exclusively - haven't been doing it that long so I never have tried Monokote. I followed a suggestion by RCKen in his LT-40 build thread. The trailing edge of the fin, stab and wing and the leading edge of the rudder, elevators and ailerons are first covered with a strip of covering. Then the pieces are hinged. Finally the wing/aileron, fin/rudder and stab/elevator pairs are covered. Like GB said - the result is very easy to clean and the hinge lines are sealed providing for optimal performance of the various control surfaces. Definitely worth a try.