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-   -   Attic Venting (http://www.diychatroom.com/f9/attic-venting-1900/)

Jerry8C 02-20-2006 06:16 PM

Attic Venting
 
I am going to have a new roof installed. I currently have a ridge vent and a power exhaust fan on my roof. I have vents in my soffits. My house is a traditional rectangular two story.

Is it okay to keep both venting systems.

If not, which should I have removed, the ridge vent or the power exhaust vent?


Thanks,
Jerry

K2eoj 02-20-2006 08:18 PM

I don't like powered vents unless they can sense smoke and flame and will auto shut off. You should be able to accomplish the same results with regular vents but climates are different so sizing requirements vary. I'd ask your roofer for recomendations since he is familiar with your area. Maybe ask a couple of roofers. HS

Jerry8C 02-20-2006 09:50 PM

[quote=hammerslammer]I don't like powered vents unless they can sense smoke and flame and will auto shut off.

Your comments were interesting. I had not thought of that. However, from a venting standpont only, maybe someone can add an input. I do intend to talk to a roofer, but a second opinion is always good to have.

Thanks,
Jerry

Scott_K 02-21-2006 03:02 PM

I prefer the ridgevent idea. As long as you have sufficient soffit vents, it works well.

Jerry8C 02-21-2006 03:25 PM

Quote:

Originally Posted by Scott_K
I prefer the ridgevent idea. As long as you have sufficient soffit vents, it works well.

Thanks for responding.

Jerry

hav2bfaster 03-17-2006 10:41 PM

I have always found that a 4" wide hole cut all the way across your ridge is plenty. The most crutial parts of venting are that you insulation ins't touching your roof deck, plenty of soffeit venting, and a great ridge vent that is properly installed. if any of thses are compromised if will throw off your venting.

jmorgan 03-18-2006 10:31 AM

Sounds to me that your venting is OK. I don't like power vents either. Even without the power vent, I think you are OK.
Jim

Jerry8C 03-18-2006 10:58 AM

Quote:

Originally Posted by hav2bfaster
I have always found that a 4" wide hole cut all the way across your ridge is plenty. The most crutial parts of venting are that you insulation ins't touching your roof deck, plenty of soffeit venting, and a great ridge vent that is properly installed. if any of thses are compromised if will throw off your venting.

Thanks for responding. I happen to pick up an attic ventilation booklet at a roofing supplier and it favors ridge versus power exhaust.

Jerry

Jerry8C 03-18-2006 10:59 AM

Quote:

Originally Posted by jmorgan
Sounds to me that your venting is OK. I don't like power vents either. Even without the power vent, I think you are OK.
Jim

Thanks for your comments.

Jerry

MJW 03-18-2006 01:28 PM

Quote:

Originally Posted by jmorgan
Sounds to me that your venting is OK. I don't like power vents either. Even without the power vent, I think you are OK.
Jim

I agree. The only reason maybe for the power vent would be if it had a humidistat on it. May possibly be an advantage, but I think ridge vent would be just fine and probably no problems.


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