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Travel Forum / Travel Types / RV Travel / November 2008



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Sagging roof

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D. Arlington - 20 Nov 2008 09:06 GMT
We notice the A/C unit on the Sunline's roof is making the roof sag and hold
water. A pool forms where it's sinking down. It's not well supported. How
can this be fixed? Can it be fixed?  It seems like an awfully big unit for
such a small TT. You can't see the sag from the inside and there are no
water stains on the ceiling.
Ralph E Lindberg - 20 Nov 2008 13:45 GMT
> We notice the A/C unit on the Sunline's roof is making the roof sag and hold
> water. A pool forms where it's sinking down. It's not well supported. How
> can this be fixed? Can it be fixed?  It seems like an awfully big unit for
> such a small TT. You can't see the sag from the inside and there are no
> water stains on the ceiling.

Might be just the weight, but I'd still be worried the roof is rotting.
You might pull the A/C and look for the wood condition (it's usually a
two man job)

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altar@nospam.net - 20 Nov 2008 19:28 GMT
>We notice the A/C unit on the Sunline's roof is making the roof sag and hold
>water. A pool forms where it's sinking down. It's not well supported. How
>can this be fixed? Can it be fixed?  It seems like an awfully big unit for
>such a small TT. You can't see the sag from the inside and there are no
>water stains on the ceiling.

At least pull the inside shroud from the ceiling and see if there is
wood rot around the AC hole. Sometimes you can see the wood from
inside, sometimes not. If not, then you have no alternative but to
pull the AC, as mentioned by another.

Roof sag at the AC is usually not good. While anything is repairable
for a fee, it might cost more than the RV.

Tom
D. Arlington - 21 Nov 2008 07:44 GMT
>>We notice the A/C unit on the Sunline's roof is making the roof sag and
>>hold
[quoted text clipped - 12 lines]
>
> Tom

The RV (a used 16' Sunline)  only cost $2,200.  This sounds like it's a
major job.  Pulling down the ceiling would be a major job. I think the
weight of the A/C is too much for the roof.   :(
Ralph E Lindberg - 21 Nov 2008 15:16 GMT
> >>We notice the A/C unit on the Sunline's roof is making the roof sag and
> >>hold
[quoted text clipped - 16 lines]
> major job.  Pulling down the ceiling would be a major job. I think the
> weight of the A/C is too much for the roof.   :(

I doubt it, Sunline is generally considered a "good" rig, I would be
more worried about leaks/rot

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--------------------------------------------------------
Personal e-mail is the n7bsn but at amsat.org
This posting address is a spam-trap and seldom read
RV and Camping FAQ can be found at
http://www.ralphandellen.us/rv

Lone Haranguer - 21 Nov 2008 15:39 GMT
>>> We notice the A/C unit on the Sunline's roof is making the roof sag
>>> and hold
[quoted text clipped - 18 lines]
> major job.  Pulling down the ceiling would be a major job. I think the
> weight of the A/C is too much for the roof.   :(

Then have a shop fabricate some type of bridge bracket so you could spread
the weight to the outer edges of the trailer roof and suspend some of
the AC weight from the bracket.
LZ
altar nospam - 22 Nov 2008 00:06 GMT
>>>We notice the A/C unit on the Sunline's roof is making the roof sag and
>>>hold
[quoted text clipped - 16 lines]
>major job.  Pulling down the ceiling would be a major job. I think the
>weight of the A/C is too much for the roof.   :(

I'd look at it this way: Since you don't have much cash invested, and
since it doesn't leak, just forget it and use it. Who knows, it could
continue that way for years.

Tom
Neon John - 20 Nov 2008 20:10 GMT
>We notice the A/C unit on the Sunline's roof is making the roof sag and hold
>water. A pool forms where it's sinking down. It's not well supported. How
>can this be fixed? Can it be fixed?  It seems like an awfully big unit for
>such a small TT. You can't see the sag from the inside and there are no
>water stains on the ceiling.

In addition to what everyone else has said.  After I pulled the roof and
inspected for rot, I'd do the following.  I'd get two heavy pieces of plywood,
inch thick or better.  Put one on the floor and one over the hole.  Using a
hydraulic jack and a piece of pipe or 2X4, I'd jack the roof back into place.

What you do then depends on the problem.  If there's rot, I'd try one of the
rot penetrating epoxies that are on the market.  They generally work unless
the wood is crumbly rotted.  If the roof is made of cheap sh*t stapled wood,
perhaps you can get in there thorough the AC opening and add some more
bracing.

If it's some other problem I'd have to look at it to figure a solution.

one approach might be to jack the roof up an inch or two higher than it should
be, cover the hole with a tarp and leave it that way over the winter.  Maybe
whatever sagged will take a set and be in abbot the right position when you
remove the jack in the spring.

Getting the AC off and posting some good, high quality photos will help us do
the remote diagnosis.

John
--
John De Armond
See my website for my current email address
http://www.neon-john.com
http://www.johndearmond.com <-- best little blog on the net!
Tellico Plains, Occupied TN
Hell is truth seen too late. -Hobbs
D. Arlington - 21 Nov 2008 07:48 GMT
>>We notice the A/C unit on the Sunline's roof is making the roof sag and
>>hold
[quoted text clipped - 33 lines]
> do
> the remote diagnosis.

Thanks John.  I'll send these messages on to my husband and see what he
decides to do.  I'm afraid it will continue to sag and a good snowfall will
take the roof down.  Or the A/C will end up on the floor on day.   We didn't
see this sag when we bought it. We noticed it when looking down from the
porch.   :(

> John
> --
[quoted text clipped - 4 lines]
> Tellico Plains, Occupied TN
> Hell is truth seen too late. -Hobbs
Steve Wolf - 21 Nov 2008 11:58 GMT
What year coach is this?  In my 1984 Winnie there was a puddle or two on
the roof.  Newer coaches have more height to the center.

Steve
www.wolfswords.com under the motorhome link

> We notice the A/C unit on the Sunline's roof is making the roof sag and
> hold water. A pool forms where it's sinking down. It's not well
> supported. How can this be fixed? Can it be fixed?  It seems like an
> awfully big unit for such a small TT. You can't see the sag from the
> inside and there are no water stains on the ceiling.
 
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