Next straighten out the tabs that go into the new vent and then put the tabs into the new roof vent.
How to replace rv roof vent.
Once you are home get back onto the ladder and remove the pins from the hinge of the old vent.
Replace the hinges and check to make sure they are secure.
If you are replacing an existing vent remove the old trim ring garnish piece from inside the rv.
This is actually a pretty easy step that only consists of applying some putty tape along the screw holes that will be facing the roof of your rv.
If you are installing a vent in a new location mark the desired location for your vent make sure to stay between roof joists.
By doing this you re ensuring extra strength for holding the roof vent in place.