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Old 10-19-2019, 08:00 PM   #1
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wcronin4's Avatar
1978 31' Sovereign
New Smyrna Beach , Florida
Join Date: Dec 2018
Posts: 211
Sealing an aluminum patch

I have a 78 31í Sovereign that I have several patches to the outer skin to make.

What is the right procedure to follow? What sealants should be used in each step? If one of the patches is on the roof is the procedure or the sealant different?

Keeping Faith

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Old 10-22-2019, 03:54 PM   #2
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1963 30' Sovereign
Brockville , Ontario
Join Date: Aug 2019
Posts: 16
Hey Bill,

I'm new to my AS, but would it be any different than installing a new roof vent?

As I took apart my 1963 Sovereign, I found that the water heater, furnace, water fill pipe, and antenna mount were all done the same way, I believe at the factory.

In all cases solid buck rivets were used with putty sandwiched between the outer panel and the mounted piece of aluminum.

With the after market replacements and add-ons (roof vents and A/C), the putty was also used, but screwed or pop riveted. These leak wherever fasteners let go or did't catch. The factory installed stuff did not leak.

I've read about Olympic rivets, which are blind structural rivets which don't leak (apparently), but haven't tried them. Perhaps others have.


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Old 10-22-2019, 04:47 PM   #3
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1965 17' Caravel
Brunswick , Georgia
Join Date: May 2019
Posts: 22
I have a couple small patches to make on the side of my Airstream. I've never tried patching, but after reading a few things here, I think when I get around to it I will attach the patch with Trempro 635 polyurethane, followed with olympic rivets.
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Old 10-24-2019, 08:00 PM   #4
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1978 31' Sovereign
New Smyrna Beach , Florida
Join Date: Dec 2018
Posts: 211
Hey everyone.

Have search the forums on how to make an aluminum patch without success.

Iíve decided to cover over one of my vista windows in my 78 Sovereign and hopefully use this thread to document it.

I welcome advice and input as Iím sure Iím not the first alumihead to do this.

More to come.

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