need help with A/C window unit.

10 years ago

last modified: 10 years ago

I just removed my AC window unit from my 3rd story bedroom. Its august but I removed it cause a waterdrip was coming into the bathroom below, 2nd story. Now that I've pulled the AC window unit out, I can see that the roof shingles are not flush against the side of the house. So a gap does exist for condensation to fall into. Its not the plumbing, that I am sure of.
Anyways, I place the AC unit in same as usual with a 1/2 inch piece of wood lying under the Unit to tilt the outside downward. Maybe I need the piece of wood to be thicker? And can anybody suggest what to do about the gap between the roofing shingle & the side of the house?

Thank you in advance.

Henry

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Comments (4)

Henry Waxman
Original Author
10 years ago
correction, the wooden board is more line 1 inch, not 1/2 inch.
nerdyshopper
10 years ago
You need to flash the gap. I would try to use a roofing sheet that matched the shingles if I could. I'm sure there must be videos on youtube to show how. I would need to know where on the air conditioner the water exits. I don't think more than and Inch is wise. Is water coming into the house? If not why tilt it more?
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Henry Waxman
Original Author
10 years ago
thanks NS for responding. No water is coming into the house. I just thought it necessary to tilt the AC unit slightly downward for the drip to fall away from the house. I will goto YouTube & see what info is available there as you suggest.
sidpost
10 years ago
last modified: 10 years ago
Flashing to collect/divert the water. If you have wind or something causing the condensation to fall on your lower bathroom, a pan with a drain tube can redirect the water farther away. In a dry area you "could" get away without a pan with drain (just a plain pan) however, if you end up with standing water it will be a breeding ground for mosquitoes that will come through the AC window unit to feed on you!
Henry Waxman thanked sidpost