Now that you have successfully made the correct sized cover for your fan install it in the appropriate place.
How to cover an roof fan hole.
Make sure you don t over tighten the screws and cause damage to your newly built cover.
The hole will generally have to be adjusted to fit the fan.
Roof vent cover from start to finish.
Use your screws and screw gun to put the cover over your fan.
The metal i m using is called crinkle black i purchased all my materials at h.
However if you want to forego that cost installing an attic fan can provide the necessary airflow into the attic.