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Catalina/Capri 25/250 Sailor's Forums

General Sailing Forum

Bulkhead reinforcement

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Dan86
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130 Posts

Initially Posted - 06/06/2004 : 21:09:54

Ok, I have been thinking for too long on how to reinforce my starbord bulkhead where the upper shroud chain plate has some rot at the upper hole for sure, and some weakness at the next bolt hole as well. The cabin side of the teak veneer is ok, it is soft on the back side. I posted before and have been looking at my options. This is what I think i am going to do, and I wanted to check it with the combined knowlege of this forum,

I am planning to remove the bulkhead, remove the rotted wood on the back side of the teak, by carefull removal. I will them fill the area with epoxy with either high density filler or kevlar filler?. In order to further strengthen the chaiplate, I have though of adding possibly a 12 inch section welded onto the end of the current plate, and adding 2 to 3 additional bolts in the extra length.

The other option I thought of was adding a hurricane type straps on the back side of the last two bolts at 45 degree angles with 2 additional bolts in each strap. That would be 8 additional bolts supporting the chain plate. kind of illustrated here.

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What do you think. Dont have the boat units for the bulkhead replacement, and am not sure where to find it as well for a 86 fin keel, tall rig. Thanks for the input, you have been very helpful in my sailing endeavors. dan 86

Edited by - Dan86 on 06/06/2004 22:27:44

ClamBeach
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3072 Posts

Response Posted - 06/06/2004 : 22:58:25

IMHO follows...

Rather than trying to 'peel' the backside, I'd try drilling small holes 'shotgunning' the damaged area and use a product like git-rot or West system epoxy to saturate the interior of the plywood with thinned epoxy. This is a common way of repairing rotted deck cores. If you angle the holes downward into the core, it will help penetration and keep the epoxy headed the right direction.

These repairs often come out very strong as it forms a 'composite' wood/epoxy material.

I'd then epoxy bond an overlay of 'fresh' 1/4" teak or mahogany plywood over the damaged area (and beyond to suit cosmetics). This would benefit both appearance and strength. Finish the new plywood with varnish or cetol it.

This repair would be easy, look good and be plenty strong without having to mess with your chainplates or replace the entire bulkhead.

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The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.