If you are replacing an existing vent remove the old trim ring garnish piece from inside the rv.
How to install a roof vent in a rv.
In this rv diy video mark polk with rv education 101 demonstrates how to replace and seal an rv roof vent.
Installing the rv roof vent.
For my vent i used the fan tastic rv roof vent made by dometic.
In this lesson we teach you how to swap your traditional rv roof vent for a switch operated rv power vent walking you step by step through the installation process.
Place the screws provided with the vent into the holes pre drilled into the vent flashing.
Apply a strip of silicone approximately 1 4 inch wide along the edges of the 14 inch square opening.
Remove old garnish or cut new opening.
Remove putty and old rv roof vent.
Once the vent cover is installed you can h.
Place the rv roof vent on the 14 inch opening and press down to seat the vent on the silicone caulking.
Insert and seal new rv roof vent.