Replacing an old roof vent is much simpler than you might think. Here’s some step by step instructions from Mirage Trailers showing how it’s done.
Most every vent in the industry is 14 inches by 14 inches. You’ll only need a screwdriver or ratchet (depending on the fasteners on both your old and new vents), exterior grade sealant, and a putty knife to get the job done.
Remove the Old One
Unless you have a “walk-on” roof, make sure you’re placing your weight on the roof bows of your trailer. Remove the screws from your old vent. You may need to clear the old sealant away from the screws to get this done. You’re now ready to pry the old vent loose from your trailer. Just make sure to do it gently. Then, grab your putty knife and clear all the remaining sealant.
Put on the New One
Put the new vent in place to test the fit and check to see if the pre-drilled holes in the new vent match the existing holes in your trailer roof. If they don’t, this is actually good news because you’ll get a tighter fit if your fasteners make new holes. Be sure to fill the old ones with sealant if the holes do not match. Run a bead of sealant along the underside of your new vent. With the hinge of the vent facing the front of the trailer, press the new vent into place. Finally, screw down the new vent.
Apply a liberal amount of your exterior grade sealant around each screw and around the entire perimeter of the vent. Don’t be afraid that you’re using too much. If you don’t want to get messy, our guys here at the plant use a piece of cardboard to flatten out the bead. When you’re done sealing the vent, head inside the trailer and apply any trim pieces (garnish) that came with the vent. After a time, double check the sealant for any leaks that may have developed.
That’s it! Pretty simple and certainly better than paying a professional a few hundred bucks to do. Look for more do-it-yourself Trailer Tips as we go forward. Happy Trailering!