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Eudaemonic 02-09-2011 09:13 PM

Venting a hip roof with exposed rafters
Hi all,

I am currently in the process of purchasing my first house. It has a hip roof and exposed rafters. The home inspector told me that the attic could use more ventilation. It already has a couple of exhaust vents but there are no intake vents.

From my reading, it seems that with the lack of a proper soffit, my only option would be to cut holes between the rafters. Some people drill holes and then staple some screening, but I was wondering if rectangular soffit/undereave vents (such as these ones: )could be used for a cleaner look. They would be installed vertically instead of horizontally. Is this a problem? Do I have to install them on all 4 sides? If I could avoid installing some on the street side I think it would be even cleaner.

What type of wind baffle would you recommend to prevent the insulation from blocking the vent?


Slyfox 02-10-2011 09:16 AM

The slotted method is far more sufficient than drilled holes.

I would make absolute certain there's no structural issues before you do either.
In the case in which you have to go through lumber that plays a direct role in supporting the tails/ends of those exposed rafters you would need to drill holes instead of cutting slots.

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