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Old 06-18-2017, 08:46 AM   #1
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Fiberglass Roof question

The fiberglass roof on my 2005 34 ft National Seabreeze appears to be separated from the roof of the coach in about 25% of the area. I have done a good job of checking and sealing any cracks over the years and have noticed some separation over the years but it seams to be more pronounced now.

QUESTION: Is this a concern / normal for a 12 year old MH? There has never been any leaks or issues otherwise but we are heading out for a 3 month tour any I would love to hear any comments.

Thanks in advance.
John
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Old 06-18-2017, 11:56 AM   #2
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The fiberglass roof on my 2005 34 ft National Seabreeze appears to be separated from the roof of the coach in about 25% of the area. I have done a good job of checking and sealing any cracks over the years and have noticed some separation over the years but it seams to be more pronounced now.

QUESTION: Is this a concern / normal for a 12 year old MH? There has never been any leaks or issues otherwise but we are heading out for a 3 month tour any I would love to hear any comments.

Thanks in advance.
John
John,
Not exactly sure of what you mean by "separated from the roof". On our coach, as well as I think most others out there, you have a main, full length, single piece of fiberglass. Then, there is a FRONT CAP and a REAR CAP. Both of which overlap the single-full length main piece. Then, a bead of caulking seals the lip where each of those caps meet the main piece. There is usually maybe a piece of moulding that also cinches the caps and maybe even, the main piece to the roof underlayment.

Now, much of that is speculation but, as stated, is kind-a like mine. So, for you to state that your FIBERGLASS is separating from the roof, is puzzling to me at least. Can you be a bit more specific?
Scott
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Old 06-18-2017, 01:46 PM   #3
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Sorry for the poor wording of my question. There is no issues with the main single piece of roof fiberglass connecting with the front cap or rear. The concern is that when you walk on the roof if feels like the fiberglass roof is "Floating" a little above the actual roof of the MH in some places while others it seems to be stuck to the roof, it is worse along the sides.

This may not be an issue (I hope) so I am asking for opinions. Is this ok?
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Old 06-18-2017, 01:57 PM   #4
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Sorry for the poor wording of my question. There is no issues with the main single piece of roof fiberglass connecting with the front cap or rear. The concern is that when you walk on the roof if feels like the fiberglass roof is "Floating" a little above the actual roof of the MH in some places while others it seems to be stuck to the roof, it is worse along the sides.



This may not be an issue (I hope) so I am asking for opinions. Is this ok?


Ours is same way. The way I understand this is normal. The one piece fiberglass is over the plywood roof but not really laminated.
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Old 06-18-2017, 02:07 PM   #5
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Sorry for the poor wording of my question. There is no issues with the main single piece of roof fiberglass connecting with the front cap or rear. The concern is that when you walk on the roof if feels like the fiberglass roof is "Floating" a little above the actual roof of the MH in some places while others it seems to be stuck to the roof, it is worse along the sides.



This may not be an issue (I hope) so I am asking for opinions. Is this ok?


The firerglass roof is just laid over the wood substrait. It isn't glued or otherwise laminated to the wood. As the fiberglass is a nominal 1/4" thick, it can bridge irregularities in the wood surface and when you walk on it, the firberglass deflects.
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Old 06-18-2017, 03:53 PM   #6
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Our fiberglass roof is the same. If it were laminated to the substrate and not free-floating, it would likely develop problems from thermal expansion and contraction. The danger is having a water leak that allows water between the roof and plywood substrate because it could go anywhere...
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Old 06-18-2017, 06:04 PM   #7
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Sound all good. Big Thanks guys !
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Old 06-18-2017, 09:37 PM   #8
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Sound all good. Big Thanks guys !
Don't get too close to the sides as it is hallow and you will break it, that glass is pretty thin. My 03 Dolphin is pretty solid up there except the sides where it rolls over. I've been up there scrapping off the old caulk, and renewing it. Mine was leaking around the skylight over the shower. The PO stated he had it fixed, but it wasn't, it is now. Now I just have to deal with the stains.
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