Bulkheads

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T

Tim

I have a 1971 Ericson 29 and I want to do some work in the cabin. Part of this involves installing 2 new bulkheads that will surround a new and larger head. The bulkheads will be made out of 3/4 inch marine plywood glassed to the hull. Will also paint with a good quality paint. My question is this. In Don Casey's book This Old Boat he recommends putting a foam pad between the bulkhead and the hull to prevent the joint from causing a hard spot. Is this necessary? I would have thought it would be best to glass the wood directly to the hull for a stronger bond and to help stiffen the hull. Thoughts?
 
T

Tim

I have a 1971 Ericson 29 and I want to do some work in the cabin. Part of this involves installing 2 new bulkheads that will surround a new and larger head. The bulkheads will be made out of 3/4 inch marine plywood glassed to the hull. Will also paint with a good quality paint. My question is this. In Don Casey's book This Old Boat he recommends putting a foam pad between the bulkhead and the hull to prevent the joint from causing a hard spot. Is this necessary? I would have thought it would be best to glass the wood directly to the hull for a stronger bond and to help stiffen the hull. Thoughts?
 

Ross

.
Jun 15, 2004
14,693
Islander/Wayfairer 30 sail number 25 Perryville,Md.
Don Casey is correct on this point and many other

writers/ builders agree. You want to use a rather strong foam or you can use a few shims and caulk the gap with urethane. A 1/4 inch will be enough. When the caulk cures pull the shims and fill those gaps with the caulk.
 

Ross

.
Jun 15, 2004
14,693
Islander/Wayfairer 30 sail number 25 Perryville,Md.
Don Casey is correct on this point and many other

writers/ builders agree. You want to use a rather strong foam or you can use a few shims and caulk the gap with urethane. A 1/4 inch will be enough. When the caulk cures pull the shims and fill those gaps with the caulk.
 
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