[Public-List] Bulkhead repair

Gordon Laco mainstay at csolve.net
Sun May 9 04:07:20 PDT 2021


Good morning Greg, 

It’s considered best practice to have a relatively wide strip of dense foam between the edge of a bulkhead and the skin laminations of the hull.  The foam should  itself be glassed to the hull and the bulkhead with tabbing.   The idea is to spread the effect of a ‘hard spot’ from the bulkhead edge over a wider area than point (or rather line) contact.

I think you’ll find specific information in books on the subject


Gordon Laco
426 Surprise



> On May 8, 2021, at 7:18 PM, Greg Hounsell via Public-List <public-list at lists.alberg30.org> wrote:
> 
> I am replacing the outer 2' of the port fwd bulkhead due to old chainplate
> leak.
> 
> Once the tabbing was cut it came out easily. The edge of the plywood wasn't
> a fixed to the hull except by the tabbing. Can anyone tell me how much gap
> to leave?
> 
> Any words of collective wisdom here? Would a thing strip of foam between
> the plywood and the hull be a good idea?
> 
> Thanks!
> Greg H
> #592
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