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In the process of venting bathrooms fans outside, noticed this.
Inside picture of the opening. That is a 2x4 in the middle of the opening. Opening is only about 1.5” wider than the 2x4.
Am I wrong for thinking the cutout needs to be bigger?
If the opening needs to be bigger, how do I go about it? Set the saw for the thickness of the sheathing? My fear is cutting the insect screen. Just put more screen over it? Mend it back together?
Attachment 482791
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You could take the vent off from the outside. Cut out what you wished and put the vent back on
That appears to be an attic vent - leave it alone. Proper ventilation is necessary to address excessive heat and moisture. Serious roof damage may occur.
Venting your bathroom/kitchen hood vent should be elsewhere. Such as with your dryer vent.
If your gable vent is much much bigger (like I think it is) than that little 6" X 6" hole then you definitely need to remove that press wood making the hole about as big as the vent is. I would set the saw a little less than the thickness of the sheathing and break the rest out (if that makes sense.) You may could use a vibratory saw to do the rest. Make sure your screen wire is good to prevent bats and the like from getting into your attic.