Bcmacias

In the Brooder
Jul 24, 2020
24
10
23
Here is a pic of the side of our chicken coop cutout. I want to make sure we have the proper ventilation before we put the rest together. The circle is an 8” soffit vent. The square is a 10” gable vent. We are going to put a window below whatever vent we choose, covered in hardware cloth that can be opened and closed. The opposite side of this coop will mirror this side, with whatever we choose. The roost will go a bit above the level of the egg box. Want to make sure I get the spacing right for the vent and window so it’s mainly above the roost. Considering a ridge vent. Can we make our own, if so how? We also think we should put some windows on the doors to access the poop tray which is the opposite side of the egg box. We will have an open space under the coop for them to get in from the run to the coop, it will always be open, and the run will be rock solid predator proof. Housing 4 hens. Is this adequate ventilation? We live in Missouri, very hot summers and very cold winters!
 

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ChickenCanoe

Crossing the Road
Premium Feather Member
9 Years
Nov 23, 2010
31,772
24,426
937
St. Louis, MO
A 10" square vent is double the square inches of a 8" round.
So the square would be better. Is there enough overhang to keep rain out of the vent?
I'm in Missouri too. Two of my buildings have ridge vents that are great but are virtually worthless when the roof is covered with snow. In that case, the only ventilation afforded would be at the ends of the ridge.
A premanufactured ridge vent is the easiest way to go. Cut a couple inches (depending on the vent) along the top of both sides of roof decking. Apply the tar paper or whatever underlayment and then the shingles. Then attach the ridge vent and then cover that with a ridge course of shingles.
https://www.homedepot.com/p/GAF-Cob...8g01z6lh_6rce0FkLrRoCOikQAvD_BwE&gclsrc=aw.ds
Try to keep your windows open for all but the stormiest nights and you'll be fine.
 
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Mosey2003

Crowing
Apr 13, 2016
2,980
4,753
361
North-Central IL
I say more ventilation is better, so unless the bigger one would be too big for the coop, as in it would create a draft directly on the birds when they roost, I'd do the rectangle.

Post pics of the coop, we may have even better ideas.
 

Bcmacias

In the Brooder
Jul 24, 2020
24
10
23
Trying to decide between an 8x8 circle soffit vent, 8x8 square gable vent, or the rectangle vent. A window is going below the vent (not sure what size)...don’t want it to get too close to the roost bar which will be a little higher than the nest box. Here is a construction paper cutout of the shapes of the circle vent and the square vent. I didn’t do a cutout of the rectangle vent.
 

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Big Doggie

Chirping
Mar 23, 2020
221
277
80
Mass
Trying to decide between an 8x8 circle soffit vent, 8x8 square gable vent, or the rectangle vent. A window is going below the vent (not sure what size)...don’t want it to get too close to the roost bar which will be a little higher than the nest box. Here is a construction paper cutout of the shapes of the circle vent and the square vent. I didn’t do a cutout of the rectangle vent.
Doing some quick math the square will give you 64sq inches of ventilation. The circle will give you about 50 sq” so it’s really all about how much you need vs the look
 

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