I have a 10'x12' balcony with half-walls on three sides and a full wall with a sliding glass door to living space on the 4th side. Below the balcony is finished living space.
My concern is how to appropriately vent the balcony since it is technically a roof and subject to the same conditions. The framing is 2x10's at 16" OC running front to back with 1/4" slope per 1'. There is a vent channel at the top of the 2x10s which is open at the low end to vent through the 2x4 half wall at the front. However, I cannot add vents at the high end, where the sliding door is, because the framing is solid.
The current vent opening in the front 2x4 wall is 12"x6" and is centered on the wall. I am considering adding a 4" round vent on both ends of the front wall to at least create more air movement. Am I doing more harm than good by over venting on the low end without being able to add anything to the high end?
I have included the URLs for two pictures - one a drawing of the current situation and the second a picture of the house to give the drawing some perspective.
My concern is how to appropriately vent the balcony since it is technically a roof and subject to the same conditions. The framing is 2x10's at 16" OC running front to back with 1/4" slope per 1'. There is a vent channel at the top of the 2x10s which is open at the low end to vent through the 2x4 half wall at the front. However, I cannot add vents at the high end, where the sliding door is, because the framing is solid.
The current vent opening in the front 2x4 wall is 12"x6" and is centered on the wall. I am considering adding a 4" round vent on both ends of the front wall to at least create more air movement. Am I doing more harm than good by over venting on the low end without being able to add anything to the high end?
I have included the URLs for two pictures - one a drawing of the current situation and the second a picture of the house to give the drawing some perspective.