Vent discovered uncovered - Fiberglass RV

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Old 08-19-2011, 06:00 PM   #1
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Mike Magee's Avatar
Name: Michael
Trailer: Li'l Hauley
Posts: 4,522
Vent discovered uncovered

My cargo trailer has a standard size vent in the top. it's maybe 6 years old. I had it parked in the back yard for the summer, and last Thursday I looked out the window at it and noticed something off-white sort of sitting at an angle on the roof. Wondering, I went out and stood on the tire to see onto the roof... and found that my vent cover was hanging by just a small strip to the vent area, and was sitting lopsided at an angle, completely off the vent!

Mind you, when I parked the trailer there around June 1st I had just encountered a bit of leakage at the vent during rainstorms. Examination from inside the trailer revealed what looked like a tiny chip out of one corner. Other than that I thought it was ok. Wrong!

Got the ladder out and took a closer look, and found that the cover, while shiny and new looking from the inside, was rough and pitted on the outside. And it was incredibly brittle! I was snapping pieces off the edge without even trying.

Well, I ordered a Maxx Air vent cover and installed it yesterday. Very easy. Now I can have some air movement while driving to take out the heat buildup. It's my work trailer and, now that I'm back to working, I was in & out of it about 20 times today (104* outside) and I think it helped. Seemed less stifling than usual, anyway.

So the moral of the story is, get out the ladder and check your vent covers from the outside. Don't rely on how they look from inside, because all the UV damage is on the side you rarely see. I sure learned my lesson!

To every thing there is a season, and a time to every purpose under the heaven... --Ecclesiastes 3
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Old 08-20-2011, 08:34 AM   #2
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Name: Dave (AKA John)
Trailer: Scamp
Posts: 623
Good advice.
I was customizing my Ford cargo van years ago in TX and went to buy a standard vent to install in the roof. I was going for one of those smoke tinted plastic vents, but the dealer convinced me that I would be much better off buying a vent with a metal lid instead of plastic for just that reason; plastic gets brittle in the TX sun.
At least with the vent cover if that deteriorates it should be cheaper and easier to replace that every few years than the vent itself, plus you can keep it open like you point out.

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Old 08-21-2011, 02:14 PM   #3
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Name: Donna D
Trailer: Escape 5.0 TA, 2014
Posts: 23,914
Mike, if you're looking to change the 14x14 plastic vent to one with a metal lid, see here" RV Roof Vents and RV Escape Hatches: Manual & Motorized Roof Vents, Roof Vent Fans, RV Roof Vent, RV Vent, Van Roof Vent, Elixir Vent. Ventline Vent, Vent Lid, RV Hatch, Camper Hatch, Escape Hatch, Motorhome Roof Vent, Motorhome Vent, Trailer Roof Ve#
Donna D.
Ten Forward - 2014 Escape 5.0 TA
Double Yolk - 1988 16' Scamp Deluxe
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