[Alberg30] Deck Repairs

[George Dinwiddie]

> Paloma L. Hawry said:
> 
> 2) cutout and retain top skin (remove all rotted core attached), remove
> damaged core, sand down to lower skin, replace with new core material (foam
> or plywood) refill with resin to the correct level, replace and fair-in the
> old skin, and repaint surface as needed

I don't know anyone who has taken this route, so I can't give any
first-hand advice.  Personally, I would worry about the strength
of this approach.  A cored deck is a stress-skin panel and relies
on the integrity of the skins.  Normally when you are bonding to 
old glass, you should have an 8-to-1 scarf to give a good bond.
On the upper skin of the deck, this means a taper that's about
2 to 2-1/2 inches wide.  If you're putting two old pieces of 
glass together, you'd want to do this on each of them, giving
you a 4 to 5 inch wide seam.  If you don't do this, you're 
relying entirely on the adhesive qualities holding the panel
and the strength of the core at the joint areas.  Of course,
having a 4 to 5 inch seam negates much of the esthetic advantage
of reusing the old surface.

 - George

-- 
 ----------------------------------------------------------------------
  George Dinwiddie                             gdinwiddie at alberg30.org
  The gods do not deduct from man's allotted span those hours spent in
  sailing.                                    http://www.Alberg30.org/
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