BottomSider cockpit cushion repair - Page 2 - SailNet Community
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post #11 of 22 Old 07-11-2019
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Re: BottomSider cockpit cushion repair

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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!).

FWIW...
I am testing flexseal now. The paint on the textured aluminum plate for the OB on the dinghy had lots of chipping paint... obviously alum corrodes and bond to the paint fails. Cleaned it up and sprayed flexseal... low expectations... but will report back on how this works out. Painting alum is a big problem.
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post #12 of 22 Old 07-11-2019 Thread Starter
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Re: BottomSider cockpit cushion repair

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Originally Posted by svHyLyte View Post
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!).

FWIW...
Thanks. I can get this stuff locally. It comes in small amounts, so might give it a try.

SanderO, Iíll be very interested to hear your report. Obviously not the same application Iím thinking of, but stiil...
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post #13 of 22 Old 07-12-2019
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Re: BottomSider cockpit cushion repair

These guys can make you a replacement, that would probably match your other cushions: C Cushions - Custom cockpit cushions for boats Everyone that I know that has them, raves about them. And they pretty much last forever. Plus the owner is a nice guy, sailor, and you might have met at Annapolis where he has a booth each year.
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post #14 of 22 Old 07-12-2019 Thread Starter
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Re: BottomSider cockpit cushion repair

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These guys can make you a replacement, that would probably match your other cushions: C Cushions - Custom cockpit cushions for boats Everyone that I know that has them, raves about them. And they pretty much last forever. Plus the owner is a nice guy, sailor, and you might have met at Annapolis where he has a booth each year.


Thanks. They look great, and I think I've seen them on a few boats up here. Of course, they are also rather pricey, which is why I'm trying to save my current cushions.

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post #15 of 22 Old 07-12-2019
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Re: BottomSider cockpit cushion repair

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

Iím considering just using some sort of silicon goop to try and fill in and re-adhear the cracks; like you suggest RU. Silly idea?
"Shoe Goo" is pretty tough stuff, maybe a dab of 5200? There's an adhesive I have gotten from my local gasket supplier thats pretty tough and flexible, cant recall the name.
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post #16 of 22 Old 07-12-2019
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Re: BottomSider cockpit cushion repair

Ill 2nd shoe goo.
Add some rattle can spray vinyl over that
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post #17 of 22 Old 07-13-2019
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Re: BottomSider cockpit cushion repair

I repaired some small cracks in mine with gel superglue. You just need a little bit right on the edge and while it was a little hard right under the crack you used so little overall you couldn't tell the texture change. It held well for several years.

Jim
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post #18 of 22 Old 07-13-2019 Thread Starter
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Re: BottomSider cockpit cushion repair

Interim report: Iíve used a combination of silicon and Liquid FlexSeal. Iíve found Flexseal seems to seal the smaller cracks fairly well, but for the larger ones Iíve had to fill in the voids with silicon, which I then cover over with flexseal. Iím still in the process of layer the flexseal, but I think this will create a tenacious repair that should last a while.

Unfortunately, the white silicon is quite apparent on the very off-white (i.e. dirty) vinyl cushions. Luckily I am far more focused on function that aesthetics, which explains the general look of my boat .
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post #19 of 22 Old 07-13-2019
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Re: BottomSider cockpit cushion repair

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post #20 of 22 Old 07-14-2019
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Re: BottomSider cockpit cushion repair

Not Goop. Too stiff. Try polyurethane caulk. I've used Loctite PL S30 (black) and PL S40 (white) to repair shoe soles with MUCH better success than Goop.
Sail Delmarva: Shoe Repair
Sail Delmarva: More Shoe Repair

In this case I laminated a kayak skeg tip using Sunbrella and PL S30.


You can bridge cracks by laminating them using polyurethane and strips of stretchy cloth, as though it were fiberglass. Concrete chemical containment are sealed this way. But it is ugly.

But they will grow new cracks. The PVC is done.

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