BOTH of my basement doors leaked, leaving small puddles at the opening. It baffled me until I determined the following.
The aluminum frame around the door itself, not the one mounted to the trailer but the one on the doors. That frame is NOT sealed to the fiberglass at all. The water was going between the fiberglass door and that frame, actually filling the space between the inner and outer door, until it finally ran out the hole they cut to put the slam latches in.. Some high quality silicone like Flexseal, or the like, do a nice job of sealing the outside of those doors, they’ll stop leaking. I enlarged the drain holes at the bottom to 3/16” and they drained for HOURS! Not a drip all winter.
Mark
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“Hard times create strong men, strong men create good times, good times create weak men, and weak men create hard times.”
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