[Public-list] Deck repairs

[Don Campbell]

John;'
    Get a moisture meter somehow and go over the deck and hull including 
cockpit floor to see if any of the crazing has let moisture in to your 
deck. It should not be too bad with the masonite core, but if there is 
any water in the core, you might need to take a different view than to 
just fix the exterior. A nylon hammer on the flakes on the hull should 
indicate whether there is a different sound between good, sound hull and 
water blisters. Water sounds dead and good hull has a ring to it. You 
don't hit hard, just enough to get the sound.
    Generally for crazing, it is recommended that you increase the size 
of the crack and then use material to fill that. If it is only gelcoat 
that is gone crazy, then gelcoat is the filler. It is a bit more time 
consuming if you need to fill first with a resin and then top with gelcoat.
    If you want information on re-doing the cockpit floor contact me 
off-list as I have done one, albeit a balsa cored floor.
Don #528

Coolray wrote:
> Hello All,
>
> I have every stick of wood, every piece of metal and
> all the thru hulls off of my boat! What a job. Now
> that the easy part is over, I have several questions
> regarding deck repairs. I am going through "This Old
> Boat" and some old emails to learn some of the
> techniques, but the number of options and opinions are
> daunting. Any help on the following would be much
> appreciated.
> 1) I have approximately one million screw & bolt
> holes, such as the through bolts for the old
> deteriorated toe rail, that need to be filled. Some
> will be seen others hidden. What is the best "filler"
> to use? (Obviously a paint job will follow at the
> appropriate time.)
> 2) I have several extensive locations on the deck that
> appear to be cracked and parting gel coat. These
> locations, such as behind the coaming boards vary in
> size, but most are about half the thickness of a
> penny. The entire cockpit sole is crazed in this
> manner as are some other more localized areas. I
> expect to have to rebuild the sole, but I'm not sure
> what to do about the other areas as they appear to be
> sound beneath. Any thoughts or past experience would
> be helpful.
> 3) I have noticed several local areas on the hull that
> appear to be small semi-circular "flakes". Most are
> just above the bottom paint, (they could also be under
> it for that matter), and appear to be only as thick as
> a business card at best. In other words, thicker than
> a coat of paint but thinner than the aforementioned
> deck crazing. I have read the posts on osmotic
> blisters and these areas do not sound like the same
> problem. Once again, any advice is welcomed.
>
> I can take pictures of these problems though I do not
> know how well any of it will show up. 
>
> Thank you in advance for your help and advice.
> John Cooler
> Atalaya, #087
>
>
>        
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