Jim Burns wrote:

if the snow
melts off the roof, water then drips down in front of the hanger and
freezes, it creates a huge ice dam(n) right in front of the door, from then
on, the water runs INTO the hanger.... grrrr freezes the door to the ground
and sometimes freezes inside the hanger..... instant in door ice skating
rink!

Install a gutter up there. Full width of the hangar. Don't put ends on it. All
the melt water will run over to the ends of the building. Slope the gutter both
ways from the center if you can.

George Patterson
Coffee is only a way of stealing time that should by rights belong to
your slightly older self.