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Old 05-04-2017, 07:20 AM   #1
2 Rivet Member
2010 16' International
kittery , Maine
Join Date: Sep 2009
Posts: 94
Images: 1
Recommend a vent with curved exterior flange?

Sorry if it's a FAQ but I couldn't find the answer on the forum or elsewhere.

Thinking about putting a roof vent where the AC was on my 2010 Bambi. Something like the Fantastic model 800 or 900.

Can't tell if it has a flat or a curved mounting flange. I assume I need a curved one to match the contour of the Bambi's roof exterior, yes?

Can anyone recommend a specific product?

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Old 05-04-2017, 07:44 AM   #2
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1968 24' Tradewind
Oxford, , Mississippi
Join Date: May 2009
Posts: 1,564
The fans have a flat flange. No problem
I got mine from Vintage Trailer Supplye several years ago and love it. At the time they had an internal bezel that was curved to fit the interior ceiling of the older vintage trailers. Your trailer if wider and the radius is bigger so that may not be an issues. Spend the extra and get the model with the thermostat and rain sensor, we have been saved a wet interior many times when a stray rain shower comes up while we are way.
Steve has lots of info on FF on his site:
Bruce & Rachel
68 Trade Wind
2001 Toyota Tundra
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Old 05-04-2017, 06:36 PM   #3
2 Rivet Member
2010 16' International
kittery , Maine
Join Date: Sep 2009
Posts: 94
Images: 1
I didn't find any installation instructions on the VTS site. How are these fans/vents installed? Screws? Rivets? Can anyone point me to installation instructions?
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Old 05-05-2017, 07:36 AM   #4
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1974 27' Overlander
Baltimore , Maryland
Join Date: Mar 2016
Posts: 1,042
They're pretty simple. The vent screws to the roof around the perimeter of the flange. Maybe 12 screws total. Use sealant under the flange, around the perimeter, and on top the screws.

There is generally enough give in the curved aluminum roof to conform to the flat flange. It's probably not necessary, but I used a piece of aluminum angle on the front and rear edge of the flange to help flatten the roof. It's installed below the exterior skin, so the flange screws go through the flange, then the roof, then into the supporting angle which is hidden in the ceiling. There are pictures on our blog if you care to see what I did.

Connect the two 12v wires to your electric, install the interior trim, and you're done. I installed Maxxfans, not Fantastic fans, so I didn't have the option of a curved interior trim. The flat trim looks fine.
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