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Old 29-09-2016, 06:56   #1
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Deck Repair

I am presently repairing the balsa core on several sections of our Paceship PY23.
Yesterday I laid the balsa on the area near the mast step with epoxy and intend to fair it before laying the glass cloth.

I intend to install some new hardware including halyard winches, turning blocks and clutches.

Before putting on the top layer of cloth should I put in some sort of a hard spot for the turning blocks - the balsa is 1/2"- or plan on through drilling and bolt from inside with a backing plate.
I would enlarge the hole and fill with epoxy.
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Old 29-09-2016, 07:44   #2
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Re: Deck Repair

I would use solid grp in the areas to be later drilled.

Any wood gets finally compromised, even marine grade ply.

Zero chance of leaks = zero leaks!

Cheers,
b.
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Old 29-09-2016, 07:59   #3
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Re: Deck Repair

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Originally Posted by bcc101 View Post
through drilling and bolt from inside with a backing plate.
I would enlarge the hole and fill with epoxy.

Some of it depends on load, some on esthetics. Either way, the attachment points should be as you describe- epoxy. Don't screw into or drill through wood.

If the load is low, you can screw them in. If it's a high load and you don't have a problem with backing plates and nuts being seen, then go through.
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Old 29-09-2016, 08:29   #4
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Re: Deck Repair

Of course, B's solution is the gold standard but a proper layup of biaxial glass over the balsa core should not be a problem if, as you mentioned, the bolt holes are drilled oversize and filled with thickened epoxy and a proper stainless backing plate (3/16") will receive the loads underneath for your turning blocks. I repaired the entire area under the mast on my previous 25-foot boat that received the tabernacle and the full weight of the mast. It was a boat that was sailed hard in tough conditions. When I sold the boat 10 years later, it was still perfect. Good luck and safe sailing, Rognvald P.S. I love the Paceship! Great boat.
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Old 29-09-2016, 19:03   #5
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Re: Deck Repair

Thank you for your information.
One more question.
I have 1708 for the deck but am not sure if I should put a layer of mat under that.
The thickness of the 1708 is close to the original but I just not sure.
Thanks Bruce
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Old 29-09-2016, 20:18   #6
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Re: Deck Repair

You can use balsa there, & properly done, things will be okay for a few decades. But were it me, while the deck's still disassembled I'd put in some blocking for anything that needs a fastener all of the way through the deck. And I'd use blocking material that's impervious to rot, & that would also contribute to the boat's structure. G10, glass, or any of the synthetic laminates with decent strength to them.
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Old 30-09-2016, 08:19   #7
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Re: Deck Repair

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Originally Posted by bcc101 View Post
Thank you for your information.
One more question.
I have 1708 for the deck but am not sure if I should put a layer of mat under that.
The thickness of the 1708 is close to the original but I just not sure.
Thanks Bruce
Bruce,
After you've completed your layup of biaxial glass, you will need to sand and fair the top to match the shape/contour of your deck with fairing compound(West System is my preferred choice). This should be sufficient if there are only a slight variances in your area of repair. However, if you believe you will need a thicker mil, I would use mat as a builder under the 1708 and then sand and fair accordingly. Here's a great resource for many areas of fiberglass repair(if you don't already have it) that you can use as a guide. I hope this has been helpful to you. Good luck and safe sailing, Rognvald
http://www.westsystem.com/ss/assets/...aintenance.pdf
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Old 30-09-2016, 09:24   #8
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Re: Deck Repair

Once again , Thank you.
I did epoxy the balsa with the intention of fairing that then glassing.
On some othe pieces I did the balsa and the glass at the same time.
This section was larger and fitting the balsa was so messy I decided to hold off on the glass.
Now I have to wait for the weather to clear before the next step.

Hope to get the deck work done before winter sets in then in the Spring then paint the deck.

Bruce
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Old 30-09-2016, 17:49   #9
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Re: Deck Repair

Quote:
Originally Posted by bcc101 View Post
... I laid the balsa on the area near the mast step...
Balsa coring is inappropriate in that area and wherever you will be bolting through to mount hardware. Replace with solid coring.
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Old 01-10-2016, 10:28   #10
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Re: Deck Repair

AS I mentioned, the balsa replacement is neat the mast step. The mast step is a sold material which also integrates a metal plate.
The problem in this area originated from hardware- blocks, antenna cable that were not properly bedded.
I am using a mast organizer to eliminate all through deck holes in this area.
Anywhere I install new hardware I will overdrill and make epoxy plugs.
Bruce
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