Not sure this is to late now since you've already ordered . But We have done this to our trailers here. Its just some conveyor belt cut to size and aluminum strip with UHMW strips screwed down. It really helps keep the snow out of the hinge. We used to have to chip out the ice and sometimes the door wouldn't close because of so much build up.
Now 100% clean every time.
Now 100% clean every time.