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Old 07-02-2012   #11
idaho falls, Idaho
Join Date: Jul 2011
Posts: 42
For me staBond has always been really easy to use so I have some on order and will hopefully never have to use this clifton stuff again.

I think I was successful on my last attempt. Applied three coats. Waited 20 min between coats then right after the 3rd coat when on I stuck the patch on the boat. The glue never went tacky so that's why I didn't wait on the last coat. Then I set a jug of boiling water on the patch and let the heat soak in for 5 min. I then removed the jug and stacked bricks on the patch and let it sit for 18 hours. Wanted to take the boat out before my MFS trip next week but it doesn't look like that is going to happen. Hope the patch holds.

Thanks for all the ideas.

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Old 07-02-2012   #12
MT4Runner's Avatar
Kalispell, Montana
Paddling Since: 1997
Join Date: Apr 2012
Posts: 1,436
Originally Posted by whee View Post
No. I'm using the LA4123, it was the only pvc glue the shop had and they said it is what Maravia is putting in the repair kits now. I don't know if that is true but the instructions on Maravia's website says "The Clifton one-part glue provided is ready to use" so I believed the shop when they told me maraiva is providing the 4123 glue.

During my last attempt at applying the patch I tried reactivating the glue with mek. It didn't get tacky just wet. I'm going to go back to the shop tomorrow and ask them how long the glue has been on the shelf. I paid $25 for a 4oz bottle of worthless glue so I'm pretty frustrated.
I put foot cups on my Aire with Clifton. It doesn't get tacky.
I also found that I had to put on the first coat on both sides, let it dry completely, then put on the second coat on both pieces, and put the foot cup on about a minute after the 2nd coat (about long enough to screw the brush/lid back on the can). I basically pressed the two halves together and squeezed all the air bubbles out. The MEK in the adhesive either absorbed into the PVC or evaporated off, and when it was dry, it was STUCK. On a couple of small spots, I used clear PVC plumbing primer to reactivate, which worked great.

PVC plumbing primer is Tetrahydrofuran, Cyclohexane, MEK, and Acetone. Crappy stuff to inhale for sure!

Originally Posted by theBoatPeople View Post
One is to forget the conventional glue entirely and go with Aquaseal, because trust me, it does stick. Chemically it is very similar to the coating that's sprayed on the Maravias. Even with Aquaseal, sanding can help, but it is very hard to abrade the coating.

If you try it with Aquaseal, you may want get a tiny piece of masking tape through the hole to keep the Aquaseal from bleeding through to the interior. The tape needs to be slipped through the hole sticky side up, so it is sealing the slit from the inside. Then, put a thin layer (1/16"?) of Aquaseal either on the patch or the area it will cover on the boat, lay it down, cover the patch with a larger piece of polyethylene (like from a one gallon milk jug), then put a brick or two on it overnight. Some Aqquaseal will smoosh out the edge as it dries, so the piece of polyethylene is there to keep the brick from sticking to the boat. With any pinholes the boat ever develops - and our rental Maravias did get them along seams as they aged - a tiny dab of Aquaseal works great. Aquaseal is not sophisticated and many experienced repair people turn their noses up at it, but I could give you a long list of things we fixed permanently with it over the years.
I'm also a believer in Aquaseal for pinholes and small abrasions on Maravias. I gave my 18 year-old boat an annual once-over and fixed everything with Aquaseal. If you've got a spot where the coating/pvc is cracked, or if there's a small abrasion down to the fabric in the PVC, Aquaseal will really adhere well. Larger tears, I'd recommend stitching, then gluing.

"Cotol" can be used to take Aquaseal's cure time down from 12+ hours to about an hour.

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Old 07-02-2012   #13
don't bogart that
rpludwig's Avatar
Frosted Flakes N of Baytuckey, Colorado
Paddling Since: 2005
Join Date: Feb 2011
Posts: 180
Get a heat Gun

Bomber patches with Clifton adhesives happen with a heat gun. Four Corners Riversports can get you the same Clifton that Jacks uses and I know my patches are better than My Maravia boat when I was done. Took some practice melting-welding the two together but they are one in the end. This year is a rock rubber, so patching well will be a must

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