[Rhodes22-list] Compression Post and Head Door Problems
Graham Stewart
gstewart8 at cogeco.ca
Tue Mar 9 21:21:56 EST 2021
Allyn:
Good for you. These problems have a nasty habit of unfolding into bigger problems as you dig deeper. I ended up having to replace everything - floors, struts, bulkheads right fown to the bare hull. Hopefully you will not need to do that. In my case a previous owner had attempted the same repair but did a very poor job si I had to replace it all.
Graham Stewart
Agile, Rodes 22, 1976
Kingston Ontario
-----Original Message-----
From: Rhodes22-list [mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of Allyn Baskerville
Sent: Tuesday, March 9, 2021 6:19 PM
To: The Rhodes 22 Email List
Subject: Re: [Rhodes22-list] Compression Post and Head Door Problems
Graham, you are correct. The floor support was not installed properly, which made the floor sag - the support was at least 1/4” too low under the front of the floor and 1” toward the back. Hence, no support directly under the compression post.
I made the unfortunate mistake of attempting to remove the piece of wood (OSB) that was installed improperly. The board just crumbled into pieces. I should have screwed some other pieces on either side of the OSB to support the floor. I have a plan to fix, but it’s more work than just attacking to what was already in place. All wood that is going in is pressure treated and epoxy coated.
Sent from my iPhone
> On Mar 8, 2021, at 9:25 AM, Graham Stewart <gstewart8 at cogeco.ca> wrote:
>
> Allyn:
>
> I suspect the the compression post is not too short - unless someone shortened it. More likely it appears to be short because the floor under the post has given way.
>
> What is giving support to the post under the floor appears to vary considerably from boat to boat. If you do whatever works to support the post with something that is solid and will not deteriorate I think you will be fine.
>
> In some the concrete is part of the ballast so I would be reluctant to remove it unless it is breaking up. If possible use pressure-treated or epoxy-coated wood to fill the gap between the solid cement base to the bottom of the floor boards - which might need to be replaced to make them flat and at the correct height. You can check to see whether doing so makes the post fit. It is also possible that some previous owner removed the post with the mast up and had to shorten it to get it back in place. That would be a really dumb thing to do but not something so dumb I might have done it. If the post is still short you might shim it to be snug or replace it altogether.
>
> Graham Stewart
> Agile, Rodes 22, 1976
> Kingston Ontario
>
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> -----Original Message-----
> From: Rhodes22-list [mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of Allyn Baskerville
> Sent: Sunday, March 7, 2021 11:51 AM
> To: rhodes22-list at rhodes22.org
> Subject: [Rhodes22-list] Compression Post and Head Door Problems
>
> I got my boat out of the water yesterday, and the compression post fell out on the way to the dry slip. I took the wood off the compression post was resting on, and I was in for a surprise. It’s a box mostly made from PRESSED WOOD CHIPS filled with concrete. It’s resting in a fiberglass channel.
>
> The center most board provides the bulk of the support, but it wasn’t installed correctly. The front is about 1/4” short of where it should be, and the back is about 1” too low.
>
> The concrete is actually covered for about an inch with a mixture that is a bit gooey, hard, and rough. Concrete underneath. The plywood on the right is not marine or exterior - it’s the same as what my cabin is made of. I can see significant water damage on most of the wood.
>
> Unfortunately, I have to chip out the concrete to get the screws out and hopefully lift the box out. Anyone have a better idea than just chipping it out? I don’t want to damage the fiberglass.
>
> Thanks, all.
>
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> Sent from my iPhone
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