I'm removing one of the ancient crawl-space vents from my house in order to put in a wiring pass-thru plate. The old vent only had a couple screws on it and the new plate has a lot more holes... So, looks like I can't just reuse the couple screws I had.
Is there standard type and size of screw used for this application?
Also, should I put a bead of caulk around the opening before placing the plate?