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Old 02-04-2008, 11:11 AM   #1
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Cool Cracks in Plastic...How do you repair?

Here is something I need help with. In our 76' Sov, we have the front bulkhead that is made of plastic or something close to it. We have all the plans in the world for indirect lighting, new curtains, and other cool stuff. The clock and thermo. works as well as the roll up doors, but there are cracks in the main body.

Has anyone found a product to fill or repair these cracks? If so, please help with a source.
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Old 02-04-2008, 11:24 AM   #2
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Mine appear to be plastic as well and are doing the same thing. I think some are/were made of fiberglass too. My plans are to end drill the cracks, abrade the suface then overlay them with fiberglass.

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Old 02-04-2008, 02:34 PM   #3
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If they are fiberglass, you can drill to stop the cracks, sand, and coat with Tiger Hair, sand smooth, and paint. If you do it right, the trailer will crumble to dust before the 'glass ill need further attention.
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Old 02-04-2008, 03:14 PM   #4
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I fixed the bulkhead in my former '76 Overlander. First I drilled the ends of the cracks. Then I used fiberglass to cover the cracks. Then I used bondo over the fiberglass. I sanded between these two steps until the surface was nice and smooth. Then I sanded the entire bulkhead so it was roughed up for painting. I used two coats of white primer and finished it off with two coats of eggshell paint. Turned out pretty nicely.
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Old 02-04-2008, 05:27 PM   #5
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Thank you all very much

This is what I thought to do, but didn't know if there was any better way. Now for the lower section. Is it fine to do the same there? Thanks.
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Old 02-04-2008, 05:47 PM   #6
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You can order a new one through an Airstream dealer.
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Old 02-05-2008, 09:32 AM   #7
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Cracks in plastic end caps

Good to hear how to fix the fiberglass ones but the front and bath plastic type end caps seem to cracking even though I drilled a small hole at each end to help stop the crack. They also seem to be a one piece unit. Has anyone fixed the end caps made of plastic and what did you use as rerinforcement on the curved portions to strengthen them?

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