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Old 08-21-2020, 07:09 PM
 
4 posts, read 1,161 times
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We need to install roof vent(s) to address lack of ventilation in our lower attic. The house is a split level, 2000 sqft. Our home inspector noted that the lower attic had no ventilation at all.

Any rough estimate? We have a roofing contractor coming next week but we wanted to have an idea on prices beforehand
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Old 08-24-2020, 08:04 AM
 
948 posts, read 959,681 times
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Quote:
Originally Posted by firstime29 View Post
We need to install roof vent(s) to address lack of ventilation in our lower attic. The house is a split level, 2000 sqft. Our home inspector noted that the lower attic had no ventilation at all.

Any rough estimate? We have a roofing contractor coming next week but we wanted to have an idea on prices beforehand
A far cheaper alternative is an attic fan with a mushroom cap. It is far better at pulling out the heat and moving the air. A fan and a vent is ideal, but if cost is a big factor, talk about this with a contractor too.
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Old 08-24-2020, 10:50 AM
 
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I would recommend against piercing the roof for ventilation. My first thought is that if the house has been fine for decades without ventilation, forget about it. Inspectors list everything under the sun as an issue but oftentimes they are not a big deal.

If you do want powered ventilation, I would suggest either a gable vent or powered soffit venting- not roof venting. Most roof issues I've seen are from things that pierce the roof. No matter how well sealed, they are likely to leak eventually.
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