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Old 12-05-2010, 03:51 PM   #1
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ridge cap has condensation on the bottom side


why can i see condensation on my medal ridge cap from the inside of my attic? how can i fix it?

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Old 12-06-2010, 05:31 AM   #2
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ridge cap has condensation on the bottom side


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why can i see condensation on my medal ridge cap from the inside of my attic? how can i fix it?
Got a bath or kitchen fan vented into the attic? Other source of moisture?

Is this a metal roof and is it a ridge cap or a ridge vent you have? If it's not a ridge vent, you shouldn't be able to see it from the attic.

Also, if you fill out your profile, we'll know more about what part of the world you're in and have a better idea of the potential problems for your area.

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Old 12-18-2010, 01:32 PM   #3
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ridge cap has condensation on the bottom side


yes its a metal roof. I do have a ridge vent. i do have bath and kitchen fans vented into the attic but havent used them.
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Old 12-19-2010, 06:37 AM   #4
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ridge cap has condensation on the bottom side


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yes its a metal roof. I do have a ridge vent. i do have bath and kitchen fans vented into the attic but havent used them.
It doesn't matter if you are using the fans or not, they still will allow warmer air from the interior of your home to get into the attic and cause issues.
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Old 12-19-2010, 10:40 AM   #5
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ridge cap has condensation on the bottom side


how should i vent them?
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Old 12-19-2010, 11:11 AM   #6
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ridge cap has condensation on the bottom side


In my area code allows for the fans to be vented through the roof or the eaves and sometimes it's possible to vent them through an exterior wall.





When you go to purchase an exhaust vent 'roof/eave style' you will get installation specs/directions with it.
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Old 12-20-2010, 05:26 PM   #7
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ridge cap has condensation on the bottom side


i have a hip roof. is it possable to vent threw the soffit?
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Old 12-21-2010, 12:58 PM   #8
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ridge cap has condensation on the bottom side


I have vented bathroom exhaust fans through the roof eaves/soffit area in the past. Simply cut out a 3 to 4 inch circular hole in the soffit using a hole saw and install a soffit vent with screen on the back. You can then install flexible vent piping between the exhaust area of the fan and the soffit vent. You may need a short (e.g. 1 foot) non-flexible piece of metal vent piping to act as an interface adapter between the soffit vent and the flexible vent piping.

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