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What Adhesive, Epoxy Fails

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What Adhesive, Epoxy Fails

Unread postAuthor: clemsonguy1125 » Sat Oct 16, 2010 6:32 pm

Hey guys,
I just got a 250 gallon preformed pond. Its in great shape except theres a small crack along the bottom corner. I tried epoxy but its on a small bulge that popped it out when the water force pushes it down. The ponds made of polyetelene or HPE, im not sure which. Not many sealents work on them. Any ideas of a way to seal them. I think I may but a cheap patch on it then cover the pond with cheap painters plastic.I could use pond liner but that would be about 70 bucks.
Also Mods-I know this is not spud related but this seems like a question people here would know about. So if you do need to lock it sorry for the trouble.
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Unread postAuthor: deathbyDWV » Sat Oct 16, 2010 6:43 pm

Have you tried duct tape?

Maybe epoxy putty...
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Unread postAuthor: Big-E » Sat Oct 16, 2010 6:49 pm

How about some silicone? get some window weld, you can get it at auto parts stores (it's used to install windshields) In lieu of that, you could get some silicone caulking from the home improvement store (Get the heavy duty kind)
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Unread postAuthor: clemsonguy1125 » Sat Oct 16, 2010 6:49 pm

Duct Tapes not water proof and epoxy putties worth a shot, is it water proof and flexible?
Thanks
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Unread postAuthor: ilovefire » Sat Oct 16, 2010 6:54 pm

i would have to go with Big-E on the silicone but you can also get stuff made for fish tanks and i think would be very well suited to this job
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Unread postAuthor: clemsonguy1125 » Sat Oct 16, 2010 6:57 pm

Ok, thanks, Ill try that, Im just afraid it will not stick
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Unread postAuthor: MadPiper2.0 » Sat Oct 16, 2010 7:06 pm

If you are just going to set it in dirt, you could just line the dirt with some plastic and set the shell in. It should hold up from the weight of the water.
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Unread postAuthor: Gaderelguitarist » Sat Oct 16, 2010 7:14 pm

Can't go wrong with silicone caulk.

If you're adamant for an interesting solution, I say you should perform a graft. Remove a slab of material from a non crucial area and, by way of heating, fuse it to the troubled area.
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Unread postAuthor: Insomniac » Sat Oct 16, 2010 7:30 pm

I've only used it a little bit, but polyurethane glue [i]may[/] work. Some brands claim water-proofness, some only resistance. Either way, it foams up and is flexible (though not very strong if allowed to fill gaps). This should stop it cracking away and coming off the plastic. If you rough it up it ought to stick.

Though a heat-fused graft sounds like the most durable solution.
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Unread postAuthor: jhalek90 » Sat Oct 16, 2010 7:47 pm

rough sand paper.....epoxy putty... and then a blob of fish tank silicone, to cover the epoxy. that puppy will never leak again.
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Unread postAuthor: ThornsofTime » Sat Oct 16, 2010 8:20 pm

For some reason... bicycle tire patch comes to mind.

Like one of those pre-cut circles of rubber with an adhesive backing, one on the outside on on the inside.
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Unread postAuthor: Gippeto » Sat Oct 16, 2010 9:52 pm

Aquarium silicone. Check at a bigger pet store.

Clean the area with paint thinner or similar degreaser, then sand it to rough it a bit...use coarse paper...40grit.

Spread the silicone about 2" on either side of the crack, and the same out from the ends of the crack.

Take a piece of fibreglass screen the size of your spread out silicone, and work it into the silicone.

Cover with more silicone, (max total thickness 1/4") let cure 24hrs.

I've patched plastic tanks on radiators using this technique, if it holds for years at 16psi, it'll work on your pond too. :)
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Unread postAuthor: Benjg555 » Sat Oct 16, 2010 10:33 pm

Tar calk comes to mind
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Unread postAuthor: hi » Sat Oct 16, 2010 11:12 pm

I agree with trying a bicycle patch. put that on the inside, the epoxy the outside.
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Unread postAuthor: lozz08 » Sun Oct 17, 2010 4:34 am

forget epoxy if it is polyethylene. In fact forget any normal adhesives if it is polyethylene.

You need to use a heat bonding method.

http://www.ehow.com/how_5819102_repair- ... kayak.html

If you cant find a polyethylene welding rod, I guess you could heat-bond ice cream container material over the crack.
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