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Old 10-15-2017, 07:05 AM   #1
cjturnbow
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Slide-Out Awnings Ponding?

I just purchased a new 2018, 3721RL Fifth Wheel. This is my second Montana fifth wheel. Why do all three slide-out awnings pool water, even in a small rain? I can't get an answer from the factory or my dealer? Thanks!
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Old 10-15-2017, 08:01 AM   #2
chuckster57
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Slide toppers can puddle for a variety of reasons. One reason is the length of them and another is the tension.

I wouldn't mess too much with the tension unless your familiar with doing that kind of thing. It's a delicate balance of enough tension to allow the topper to unroll without pulling the fabric out of the rail and enough to keep it tight.

I have seen lots of toppers puddle and we generally leave them alone.

BTW: Welcome to the forum!!
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Old 10-15-2017, 08:44 AM   #3
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Quote:
Originally Posted by cjturnbow View Post
I just purchased a new 2018, 3721RL Fifth Wheel. This is my second Montana fifth wheel. Why do all three slide-out awnings pool water, even in a small rain? I can't get an answer from the factory or my dealer? Thanks!
I have 3 toppers on the Cougar. Two of them are fine, but the third one always ponds at one end. I figured that if I raised the angle of the topper, it would drain without ponding. I locked the spring, removed the entire strip that holds the awning to the trailer shell, and remounted it. It did not solve the problem although the part of the 16' topper that does not pond up drains better.

So I did some hunting online and found several possible fixes. First, you can actually purchase an inflatable pillow that is marketed for this specific purpose. Tuck it up between the roof and the awning and you are all set. How much you inflate it determines how much it raises the low spot.

For the DIY crowd, making up a little support frame out of PVC pipe and fittings is popular. I made one using 1" thin wall (schedule 20) pipe and some matching fittings. It slides in place under the topper and is just tall enough to prevent the awing material from sagging. I did not want to raise it too much as that would just create new ponding in a different spot. I found several different ideas on all this on RV.NET's huge forum. Lots of folks owning many different brands of trailers and awings encounter this issue.
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Old 10-15-2017, 08:47 AM   #4
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blow up pool mattress... cheap and fixes flapping too...
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Old 10-15-2017, 10:06 AM   #5
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A 99 cent inflatable multicolor beach ball pushed into place with a broom works well, too. WalMart has all their "summer beach toys" on sale right now, Buying 3 or 4 will last for a couple of years at the price of one next spring.
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Old 10-15-2017, 04:19 PM   #6
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I thought that's why stores sell so many plastic blow up beach balls. (It's been a fix on RV sites for more than a few years) But, the mattress might work better.
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Old 10-16-2017, 06:41 AM   #7
cjturnbow
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Fixes

I have tried all sorts of ways to keep the water from ponding on my old 2008 Montana. Some work and some not so good. My only concern is in 2018 why can't Keystone address the issue and come up with someway to alleviate this issue? It can't be rocket science. I can't be the only new Montana owner with this issue? Thanks for all your comments!
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Old 10-16-2017, 06:56 AM   #8
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Quote:
Originally Posted by cjturnbow View Post
I have tried all sorts of ways to keep the water from ponding on my old 2008 Montana. Some work and some not so good. My only concern is in 2018 why can't Keystone address the issue and come up with someway to alleviate this issue? It can't be rocket science. I can't be the only new Montana owner with this issue? Thanks for all your comments!


This is industry wide. It has little to do with any RV manufacturer

If anything, the topper manufacturers could probably improve QC on the fabric and how it is assembled.

To blame Keystone or Montana is disingenuous and inappropriate.
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Old 10-16-2017, 07:16 AM   #9
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Originally Posted by cjturnbow View Post
I have tried all sorts of ways to keep the water from ponding on my old 2008 Montana. Some work and some not so good. My only concern is in 2018 why can't Keystone address the issue and come up with someway to alleviate this issue? It can't be rocket science. I can't be the only new Montana owner with this issue? Thanks for all your comments!
It's not Keystone's fault as they don't manufacture the slide toppers and all the bards are essentially the same. Can an improvement be made? Absolutely, a set of support arms in a scissors arrangement could be made as one example. Would people be willing to pay an extra $1,000 for the improvement? Obviously not or it would be available. It's the age old axiom, something for nothing. Take an individual complaining about the quality of their under $50 K unit to an Airstream dealer and show them a 22' no slide camper that cost $100K and see if they will pay the upcharge for the increased quality.
Spiel over, I'll get down now
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Old 10-19-2017, 05:55 AM   #10
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Well ponding and flopping can also be the result of poor instillation. I installed
My Dometic slide toppers one 6’ over the bedroom slide, the second a 12’ over the living room dining room super slide. The instructions listed a minimum wall attachment distance above the roller and a maximum height above the roller. I installed both at the maximum height. I did notice the supper slide the tube bowed in at the middle, I placed a 1” block of wood at the center, tube is now straight no ponding, and best of all no flapping in the wind! We are on the Oregon Coast and just had gale force winds last night and no flapping. I am currently getting the correct Dometic center support.
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