Quote:
Originally Posted by tentcamper
I would not caulk buttom unless it was leaking. Too easy to leave some old caulk and make a leak. Top I would put a new gasket on if it leaked. Caulk property applied is good for 20+ years.
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I'm not sure of this. As noted in the post above, the air conditioner
unit has a pan at the bottom of it, which means that the pan is above the riser. In normal operation, water that gets in through the slots in the shroud is caught in this pan is piped away onto the surface of the roof, where it runs off the edge.
However, if water flows under the bottom edge of the riser, it is under the pan. From that location, it MAY (I say may because I don't know for sure) leak inside.
The air conditioner's Installation Manual should answer this question.
Bill