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Old 08-08-2017, 05:58 PM   #1
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Glue molded plastic to pvc


Good day all,

I have a channel drain http://www.reln.com.au/Products/1m_C..._Complete.aspx that has a cutout on the bottom of it that allows for the attachment of a 4" PVC pipe for drainage. The first time that I attached the pipe to the drain, i used gorilla glue construction adhesive. After letting it dry for 48 hours, i could semi-easily remove the pipe with just a little force. The second time, i used PVC solvent to join the pipe to the drain. This did not work either as i could remove the pipe with just a little force. I don't understand how construction adhesive or solvent won't work to keep this connection tight. Any ideas on what to use to join this permanently?

Thanks so much
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Old 08-08-2017, 06:16 PM   #2
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Re: Glue molded plastic to pvc


Did you use PVC solvent and GLUE?

This appears to be an ABS plastic and therefore an ABS pipe would be the best material to join with and the proper glue for that union after it was properly prepped and solvent cleaned.
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Old 08-08-2017, 06:21 PM   #3
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Re: Glue molded plastic to pvc


Ayuh,.... Just snap it together,...

The water will get in, 'n flow away, anyways,....
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Old 08-08-2017, 06:21 PM   #4
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Re: Glue molded plastic to pvc


Thanks for your reply. Their website says to use PVC pipe and the PVC pipe i used fits in there snuggly. I am using a primer (http://www.canadiantire.ca/en/pdp/sl...1908p.html#srp) first and then using an ABS/PVC solvent (http://www.canadiantire.ca/en/pdp/sl...1906p.html#srp). I can't see how this isn't holding together unless i'm missing something.
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Old 08-08-2017, 06:22 PM   #5
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Re: Glue molded plastic to pvc


Quote:
Originally Posted by Bondo View Post
Ayuh,.... Just snap it together,...

The water will get in, 'n flow away, anyways,....

That might work if i was setting the unit in cement, but i am putting it into the soil so any ground movement could dislodge the pipe.
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Old 08-08-2017, 06:24 PM   #6
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Re: Glue molded plastic to pvc


That doesn't look like ABS. You may have to adapt to the grate with a MJ coupling.
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Old 08-08-2017, 06:41 PM   #7
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Re: Glue molded plastic to pvc


I would suggest you ask the manufacturer (Reln).

The interesting thing is that they say that the "Slimline Pit" and the "End Outlet" are glueable to PVC, but the bottom hole on the grate they say "allows for the installation of pipe".

I have a feeling they are going to tell you to assemble the grate and the pipe, then pour concrete around it, and it wont move.

Molded plastic items commonly have the type of plastic printed into the mold, for recycling purposes. Normally abbreviated, but see if you can find any lettering molded into the grate. Would help to know what type of plastic it is.

( I was thinking of a Fernco coupling too, but the grate has ribbing around the outside of the bottom outlet)

Last edited by SPS-1; 08-08-2017 at 06:46 PM.
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Old 08-08-2017, 06:52 PM   #8
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Quote:
Originally Posted by Windows on Wash View Post
Did you use PVC solvent and GLUE?

This appears to be an ABS plastic and therefore an ABS pipe would be the best material to join with and the proper glue for that union after it was properly
prepped and solvent cleaned.
I used glue the first time and pvc solvent the second time. Neither worked.
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Old 08-08-2017, 06:53 PM   #9
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Quote:
Originally Posted by SPS-1 View Post
I would suggest you ask the manufacturer (Reln).

The interesting thing is that they say that the "Slimline Pit" and the "End Outlet" are glueable to PVC, but the bottom hole on the grate they say "allows for the installation of pipe".

I have a feeling they are going to tell you to assemble the grate and the pipe, then pour concrete around it, and it wont move.

Molded plastic items commonly have the type of plastic printed into the mold, for recycling purposes. Normally abbreviated, but see if you can find any lettering molded into the grate. Would help to know what type of plastic it is.

( I was thinking of a Fernco coupling too, but the grate has ribbing around the outside of the bottom outlet)
I don't see any lettering on the drain except for the company name. I will email them to ask what material it is and get back to you. Thanks
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Old 08-08-2017, 06:56 PM   #10
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Hmm...I wonder if epoxy would work?
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Old 08-08-2017, 07:31 PM   #11
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Re: Glue molded plastic to pvc


Quote:
Originally Posted by cedricmeier View Post
I used glue the first time and pvc solvent the second time. Neither worked.
PVC solvent didn't work because it's not PVC. You cannot use PVC solvent on ABS and vice versa. There is a different cement to bond PVC and ABS together.

Glue doesn't work, because you don't glue plumbing pipe together. It's a chemical weld. The word glue is just thrown around because it's easier to understand, but it's nothing like glue. It actually slightly melts the pipe and fuses it together.

I also wouldn't ever trust any construction adhesive to stay water tight. Find out from the company what it takes to make it bond then do what they say. Otherwise you're asking for trouble down the road
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Old 08-08-2017, 07:40 PM   #12
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Re: Glue molded plastic to pvc


Quote:
Originally Posted by cedricmeier View Post
I will email them to ask what material it is and get back to you.
But don't ask them just the material, ask how they recommend attaching PVC pipe to bottom outlet.
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Old 08-08-2017, 08:11 PM   #13
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Re: Glue molded plastic to pvc


try a fernco.
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Old 08-08-2017, 08:35 PM   #14
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Re: Glue molded plastic to pvc


I think I would use a construction adhesive such as Liquid Nails.
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Old 08-08-2017, 08:37 PM   #15
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Re: Glue molded plastic to pvc


Put a couple screws in it and pour the concrete, Make sure you have concrete under it and keep it 18 inches away from the building or edge of slab.
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