If you re installing a vent in a location in which there was no vent previously you ll have to cut an opening between roof joists to install the new unit.
How to replace a roof vent.
How to replace the box vent on your roof.
Luckily these vents are easy to find at your local home improvement store and easy to install using just a few tools.
If not replaceable or can t get the replacement boots then the entire roof jack the sheet metal cone with the boot and flat metal base has to be replaced which means it has to be pulled out from under the overlying shingles and off the duct that connects through it and typically that means removing about a 3 5 foot area of shingles because commonly you cannot pull the duct out easily to.
To replace a damaged roof vent jack on your home.
Measure roof vent opening measure the opening for your roof vent on your camper.
Standard roof vent openings are 14 1 4 x 14 1 4 inches.
Remove any roofing nails and slide out the shingles.