I use a product made by Bostic. It is Simson ISR70-03, which is an adhesive as well as a sealant. It is used by bus manufacturers in Manitoba. It is an industrial product, but is available to the public. Check with industrial adhesives supliers close to you. Comes in aluminum and white colors. I have used for many years with great success. You can cut a piece of aluminum to cover the problem area, seal with sealant, and then rivet the outside edges to make it look better and maintain integrity.
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ACI #7394
2012 GMC 2500 HD Duramax Denali
1994 Excella 34'
1987 Limited 34', 1976 31', 1976 Argosy 22' Gone to new homes
Hensley Hitch
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