BottomSider cockpit cushion repair - SailNet Community
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post #1 of 22 Old 07-10-2019 Thread Starter
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BottomSider cockpit cushion repair

We inherited a custom cockpit cushion set made by Bottom Sider. The company is defunct, otherwise Id ask them; but after well over a decade of use ours are now developing cracks and deep splits in the exterior coating and foam.

Does anyone know how these can be repaired?

The exterior seems to be some sort of plastic/vinyl coating that is bonded to the closed cell cushion foam. They are incredibly comfortable, and very tough, so I want to find a way to save them.

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post #2 of 22 Old 07-10-2019
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Re: BottomSider cockpit cushion repair

Nope.... I had Sunbrella covered cushions made and they have held up well for years. We do take them in when it rains... but they are very comfortable to side on. YUCK to plastic upholstery.

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post #3 of 22 Old 07-10-2019
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Question Re: BottomSider cockpit cushion repair

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Originally Posted by MikeOReilly View Post
We inherited a custom cockpit cushion set made by Bottom Sider. The company is defunct, otherwise Id ask them; but after well over a decade of use ours are now developing cracks and deep splits in the exterior coating and foam.

Does anyone know how these can be repaired?

The exterior seems to be some sort of plastic/vinyl coating that is bonded to the closed cell cushion foam. They are incredibly comfortable, and very tough, so I want to find a way to save them.
Years ago, I used to shop their "seconds" bin at the big spring Seattle swap meet. Nice folks and much missed.
Perhaps you could sew up some "sunbrella" covers for your existing ones?

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post #4 of 22 Old 07-10-2019
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Re: BottomSider cockpit cushion repair

F4om your description they sound like the same thing used as pool floats/mattress...like a camping mattress but much heavier...very dense
Iirc, they are not that expensive.
The splits can probably be patched with some kinda elastic adhesive...and yes could be covered with fabric
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post #5 of 22 Old 07-10-2019 Thread Starter
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Re: BottomSider cockpit cushion repair

Thanks folks. Yes, some sort of cover is always possible, but the nice thing about the cushions the way they are is we dont have to take them in for weather. Nothing really bothers them except in the high traffic areas where they get walked on.

Im considering just using some sort of silicon goop to try and fill in and re-adhear the cracks; like you suggest RU. Silly idea?

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post #6 of 22 Old 07-10-2019
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Re: BottomSider cockpit cushion repair

Id tape and weight over a broad area to keep split repair area stable...and hope the goop doesnt feel too hard later when you apply human butt to it...
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post #7 of 22 Old 07-10-2019
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Re: BottomSider cockpit cushion repair

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Originally Posted by MikeOReilly View Post
We inherited a custom cockpit cushion set made by Bottom Sider. The company is defunct, otherwise Id ask them; but after well over a decade of use ours are now developing cracks and deep splits in the exterior coating and foam.

Does anyone know how these can be repaired?

The exterior seems to be some sort of plastic/vinyl coating that is bonded to the closed cell cushion foam. They are incredibly comfortable, and very tough, so I want to find a way to save them.

Is the foam salable? Id look for mold in the deep cracks. If so I would just recover with sub related or a more comoable waterproof fabric. Use a sailrit machine and its an easy inexpensive project.


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post #8 of 22 Old 07-11-2019
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Re: BottomSider cockpit cushion repair

I had incredible success doing this sort of thing very cheaply. As you know any Marine Trimmer will cost you your whole retirement fund. However! find a motor trimmer that specialises in busses and trucks and they will do it very cheaply in a covering that could be tested in an atomic blast.


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post #9 of 22 Old 07-11-2019 Thread Starter
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Re: BottomSider cockpit cushion repair

Thanks again folks. My current plan, based on some advice, is to try painting them with an elastomeric roof coating. If this doesn’t work, then some sort of cover is plan B.

Using a Sailrite machine to sew one up would be a cheap and easy job — just with I had one .

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post #10 of 22 Old 07-11-2019
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Re: BottomSider cockpit cushion repair

Depending upon color, you might be able to make a satisfactory repair with Liquid FlexSeal. Use a masking tape to define the area sround the cracks you need to repair, roughen the surface on either side of the cracks with 80 Grit sand paper and then apply a layer of the FlexSeal. The stuff is surprisingly durable (tho' the commercials are barely so!).

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