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Old 07-29-2014, 10:29 AM   #1
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Dean E's Avatar
1989 32' Land Yacht
Oakton , Virginia
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Roof frame-spacers?


My non-Airstream, 1984 vintage travel trailer has an aluminum roof--but no internal deck on top of the roof framing members.

I am patching a hole in the roof about a foot from the rear. PO gobbed silicone in the hole, but I will patch with sheet aluminum & seal the patch with Eternabond. I have not opened the roof from the outside and do not think that is necessary (but I could be wrong).

However, from the underside I see that the aluminum roof has about a 3/4 inch gap to the upper surface of the curved frame crosspieces. The gap is cause for low spots on the roof at the rear of the trailer.

I am wondering about filling in the gap with strips or slats cut from 1/4 or 3/8 thick plywood or Oriented Strand Board (OSB).

Another possibility is to cut strips from a rigid foam insulation panel.

Looking for ideas.

Thanks, Dean
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Old 07-29-2014, 10:56 AM   #2
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1977 23' Safari
Niagara on the Lake , Ontario
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I would definitely fill in that gap.
Is the roof flat or curved?

I would use solid wood, probably painted to reduce potential damage from water leads, OSB and plywood don't like getting wet.

1977 Safari Land Yacht
2005 Toyota Tundra SR5
2010 Ford Flex Ecoboost
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Old 07-29-2014, 05:38 PM   #3
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Dean E's Avatar
1989 32' Land Yacht
Oakton , Virginia
Join Date: Jul 2013
Posts: 44
Images: 5
The aluminum roof is flat that near the rear of the trailer. It probably is designed to be convex, but I think that the framing crossmembers should not have had that much curvature on them from the factory.

You're right about OSB and plywood. Plywood nearly has turned to dust around the vents and vent stack.

Fortunately, the framing crossmembers are solid with no signs of water damage.

I think there was at least one insurance repair because some trim paint outside looks like a do-over. Hard telling what happened to the roof when first repaired.
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