[Public-List] Hull 560 deck/hull joint

[George Dinwiddie]

Bob,

I've not done the side decks, yet, but I did do the taffrail. 
http://alberg30.org/maintenance/HullDeck/NewerHullDeckJoint/

Bob Crinion wrote:
> I just finished removing the teak toe rail from the deck of our boat
> which is a liner hull boat.
> 
> I have found that the hull deck joint is secure in most places but it
> is loose in other areas with corroded 3/ 16"rivets.
> 
> I have drilled out some of the rivets in the secure areas to see if
> the deck will loosen after the rivets are removed but it seems to
> stick well together.
> 
> Are there any tips and tricks to this?
> 
> It is worthwhile to try and loosen the whole deck joint and recaulk
> with 3M5200?

I wouldn't.  The deck joint is glassed together with a strip of glass 
soaked in resin. 
http://alberg30.org/maintenance/HullDeck/NewerHullDeckJoint/P3310039.jpg

> There is a lot of old dried stuff under the toe rail after it is
> removed.
> 
> Is it possible to replace "all the rivets" with SS ¼" machine screws?

#10 screws are sufficient, I think.  I suggest using nylock nuts to 
prevent them from vibrating loose.

> Can you get at all areas to put a nut and washer underneath the deck
> or do you have to  use rivets in some places because it is hard to
> get at?

I suspect you can reach them all, though some may be a little difficult.

> What tool do you use to countersink the SS ¼" machine screws so the
> heads are flush?

You can get a countersink that fits on the drill. 
http://alberg30.org/maintenance/HullDeck/NewerHullDeckJoint/P3310031.jpg

  - George

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