DIY Home Improvement, Remodeling & Repair Forum > DIY Home Improvement > Roofing and Siding > Ridge vent and soffit vents are all thats required?




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Old 07-25-2013, 02:12 PM  
drewdin
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Default Ridge vent and soffit vents are all thats required?

I tend to overkill things, it makes me feel better. So i had an inspector over and he told me that my attic, which I had a ridge vent and soffit vents installed was the minimum required.

When i asked him what else I could do he said ti was fine, it was about 90 up there on a 97 day but if I can make it better why not.

My question is that if a ridge and soffit is the most basic thing i can do, what would medium and max?

I know I can run into venting issues if its not done right, so what would be some steps to go past the minimum? Thanks



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Old 07-25-2013, 02:23 PM  
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Drew, if it was 90 on a 97' day, leave well enough alone. Most attics I get in in a 97' day will hit 120 plus. What ever you do, DO NOT mix exhaust types of ventilation.



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Old 07-25-2013, 03:09 PM  
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Your not likely ever going to make it better than it is.

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Old 07-25-2013, 03:55 PM  
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Some things you just can't over kill, it is either right or wrong. To attempt more than what you have may actually make it worse and waste money.

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Old 07-25-2013, 08:45 PM  
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Thanks guys, when he said minimum it made me want to make it better. I would rather leave it than ruin it

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Old 09-16-2013, 03:15 PM  
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Agreed with the others. It all comes down to a calculation of what's called "net free area", or your ratio of intake (soffit) vs outtake (ridge vent). If you've created a balanced system, which it sounds like you have, there's nothing better you can do. Here's an article about how to create your balanced system: http://www.quarrix.com/help-support/creating-a-balanced-system/

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Old 09-16-2013, 04:08 PM  
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I didn't calculate anything, i left it up to the roofers. Based on the job they did, im going to measure and calculate now! Thanks

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Old 09-17-2013, 05:07 AM  
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If its cooler in the attic than it is outside where is the cooling coming from?

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Old 09-17-2013, 11:37 AM  
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@bud16415, not sure. maybe it was the same as outside temp but it didn't seem as hot. previously without the vents, it would be 10-15 degrees hotter at least.

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Old 09-17-2013, 12:37 PM  
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That seems better. The best you could do with perfect ventilation I would think is maintain the inside the same as outside. That is unless you are pouring the coal to the AC and have poor insulation and partly cooling the attic.

I was assuming you had measured the temp at both locations. Temperature is a lot like light levels our bodies are not very good at measuring ether.



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