Caulk or not?

[hudson]

I picked up my 2011 Vista 35F 30 days ago, waxed the sides and front, left it at a Ford dealer for 10 days to repair my cab air and today decided to wash the roof and let it dry before I wash the sides tomorrow. I am evidently the first one to wash the roof as it was black to the point that it's still black after washing it. It was manufactured in December 2010 and has been outside at the dealership since they received it and I purchased it, so about 9-1/2 months. Anyway, I noticed that where the drip rails are attached to the roof, the caulking behind the rails is not complete. There is clear caulk for about 4 feet then there is none, then another few feet and then there is none. four or five spots on each side of the MH. My question is do you think this was intentional for some reason or was it just sloppy application and should I caulk the spots where there is none? Sorry, I didn't mean for this to be so long.

Nick
2011 Vista 35F

[njs42]

Any sign of moisture on the inside? If so, there is your answer for sure---I would then report to the dealer andif you have a warranty of any sort have them effect a repair. Look behind cabinets etc;

I can only give an opinion;

I think it not uncommon to find some work a little hit and miss. However, I think I would try to find out from the manufacturer exactly how the roof attaches to the side wall. It may be basically OK........

Even so, if every thing is normal it should not hurt to apply more caulk. Do not use silicone but look to a Dicor self leveling product. Silicone is too hard to remove.

You may also want to look at Eternabond--basically a tape which is purported to seal these seams "forever" according to many on this site. I am sealing my front and rear caps with Eternabond based on what I have read---here on this site.

[njs42]

As a post script to my other comments. I see it's a Winnebago. Many on this site have commented how Winnebago will provide schematics of construction techniques. Give them a call. Can't hurt.

[John Hilley]

That caulk should be continuous and is more to keep the roof fiberglass on than to prevent water penetration. It is something that Winnebago suggests checking every 6 months, if you can push in on the roof, it needs recaulking.
WIT News Roof to Sidewalls Joint Sealing

[Pusherman]

I see your unit is a 2011. I would recommend caulk over Eternabond, as it may void your warranty with Winnebago. Call them to be sure.

And yes, the caulk should be continuous.