Slot is a little uneven (wider on one side) but other than that it looks fine. That fabric looking stuff is the screening to keep bugs and wind driven snow out.
Hi, I just had a new roof installed as well and am not confident about what I’m looking at.
I’d appreciate it if someone could verify for me as well. Thank you!
Bill Mcdougal, your vent hole looks ok.
I make mine a little
Smaller like the homeowners photo above.
I try to make my ridge vent hole 2 1/2 inches total,
3 inches max.