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Old 06-28-2012, 04:19 PM   #1
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Best way to ventilate a 1200sf Ranch


I have a 1961 walk out Ranch located in Omaha, Ne. It has half vaulted ceiling and half attic. I'm getting details finalized to have my 19yr old roof replaced. I'm torn between adding a couple more static vents and two Aura vents or use continuous ridge vents? The ridge vent is 75ft total and cost around 1100.00 extra. They are using Lomanco OR-20 ridge vent as the product of choice. I helped my next door neighbor re-roof his house a few years ago and we put on a GAF system. It seems to be holding up fine. I'm worried about rain, snow and insects but most of all, proper installation. My house has 3.5" wide non-removable continuous soffit vents on 3ft overhangs. I had blow in insulation put in several years back and they used C baffles along the rafters down to the soffit. I suspect some insulation may have made it's way onto the vents over time so I'm going to go up on the roof and use my Toro blower vac and make sure they are clean. It's 20 ft up on the back side.

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Old 06-29-2012, 07:22 AM   #2
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Best way to ventilate a 1200sf Ranch


Make sure the soffits and go with the continuous ridge vent.

If you are worried about snow and rain, make sure that you have a baffled system.

That all being said, there is not nearly enough insulation in those rafter bays or that ceiling assembly.

If you are thinking about it, you could convert it to a sealed system with rigid foam and other stuff. It won't be cheap but it would work really well if done properly.

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Old 06-29-2012, 08:23 AM   #3
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Thanks for the assistance.
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Old 06-29-2012, 07:00 PM   #4
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Best way to ventilate a 1200sf Ranch


$1100.00 for 75 feet of ridge vent. i think its only about a couple bucks a foot and then you cut back a few inches on each side of the ridge, but $1100.00, you must of had a sign on your t-shirt that said = HEY IM RICH. say it cost $4.00 a foot = $300.00, another 1/2 hour to cut the top = $100.00. boy i could retire just putting ridge vent in.
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Old 06-30-2012, 12:28 AM   #5
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Best way to ventilate a 1200sf Ranch


"Lomanco OR-20 ridge vent" I looked at the product and was not impressed. The baffles are designed wrong, as least to me: last diagram; http://www.oikos.com/esb/30/atticvent.html

Little biased: http://files.buildsite.com/dbderived...rived20936.pdf

Ready, set, go.....

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Old 06-30-2012, 10:57 PM   #6
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Best way to ventilate a 1200sf Ranch


Quote:
Originally Posted by hotrod351
$1100.00 for 75 feet of ridge vent. i think its only about a couple bucks a foot and then you cut back a few inches on each side of the ridge, but $1100.00, you must of had a sign on your t-shirt that said = HEY IM RICH. say it cost $4.00 a foot = $300.00, another 1/2 hour to cut the top = $100.00. boy i could retire just putting ridge vent in.
$1100 seems fair to me. $6 a foot for ridge and cap at my cost. Paying an employee. Use of equipment. Paying the government. I see only a profit of $300-400 for the company and a legitimate company needs more than that a day to keep going.
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Old 07-01-2012, 04:39 PM   #7
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Best way to ventilate a 1200sf Ranch


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$1100 seems fair to me. $6 a foot for ridge and cap at my cost. Paying an employee. Use of equipment. Paying the government. I see only a profit of $300-400 for the company and a legitimate company needs more than that a day to keep going.
Why do you think you are supposed to be profitable...?
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Old 07-01-2012, 08:39 PM   #8
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Best way to ventilate a 1200sf Ranch


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Why do you think you are supposed to be profitable...?
Good point!

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