Quick question on measuring roof ventilation

[HowIsItDone]

You need to make sure the person building the coop leaves the gaps between the rafters open unlike what you would normally do for a house or shed.

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Multiple the width (W) and the height (H) to get the area of the ventilation openings. I believe mine (shown here) are about 6 inches (0.5 feet) high and 14.5 inches (1.2 feet) wide. There are six openings in the front soffits which provides a little over 3.5 square feet of ventilation.

1/4-inch hardware cloth is not as strong as 1/2-inch. I'd stick with the 1/2".

"1/4-inch hardware cloth is not as strong as 1/2-inch. I'd stick with the 1/2"."

We used 1/4" for the base, under the floor. I hope it holds.
I'll get 1/2" for the rest of the project. Thanks again.