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| The Bar For non Automotive Related Chat |
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12-06-2021, 11:51 PM
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DIY Tragic
Join Date: Apr 2018
Location: Sydney, more than not. I hate it.
Posts: 20,849
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A curly question, failure is not a desired option because it’s a sanitary application…
I want to silicone seal between glazed porcelain and an existing fillet of something like Knead-It. It’s a well-aged epoxy putty, rock hard with antiseptic smell when you grind it to a powder. It was my decision to leave this product largely in place because it could already be repairing unseen cracking. Why make more work for myself? When a properly mixed epoxy putty is cured/aged, does it remain strongly alkaline? Acetic cure silicone is best for bonding to the glazed porcelain but I’m concerned it may debond from the epoxy. All advice appreciated! |
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13-06-2021, 12:32 AM
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#2 | ||
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praek tih kl jo kr
Join Date: Mar 2011
Location: Atwell W.A.
Posts: 1,526
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I always work on if you cant bolt it or clip it back on, you sikaflex it
 , I go through a tube a week.
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13-06-2021, 12:34 AM
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#3 | ||
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Banned
Join Date: Nov 2016
Location: Perth Australia
Posts: 3,618
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Geez, good luck with that mate, you must be aware of all the so called excellent bonding and epoxy products on the market, obviously you have some type of separation either through shrinkage, or the original application was applied and glazed over.
You may be right in assuming a silicone product, depends on the application. Me, I would look at either sikaflex products or go for the old school "stag" jointing compound. Bit more info would be good, and if its easily accessible to remove your '"trial and error" mistakes! Cheers Billy. |
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13-06-2021, 01:07 PM
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#4 | |||
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RPO 77
Join Date: Feb 2006
Posts: 1,904
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Quote:
I think you're in a bit of a pickle here, a urathane will give the bond you want but won't give the sanitation you may be after. A picture tells a thousand words - i assume you're in a wc or shower with tiled floors/walls? How big is the epoxy fillet? Has someone put the epoxy at the wall to floor junction?
__________________
Q: If you have tried to sell it three times now and it is still not sold, do you think it might be over-priced? A: It is over priced - just like all the other falcon coupes for sale!!   |
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13-06-2021, 02:28 PM
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#5 | ||
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DIY Tragic
Join Date: Apr 2018
Location: Sydney, more than not. I hate it.
Posts: 20,849
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Cheers, it’s a P trap pan, cast wall collar, looks like it originally had a rubber ring seal but that’s long gone. I’m thinking someone patched up damage to the cast iron during a prior pan change. I’ve clearanced the epoxy about 3mm and set the pan with silicone. I don’t want to use Ferropre or other epoxy as any movement might then crack the pan spigot.
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13-06-2021, 06:15 PM
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#6 | ||
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RPO 77
Join Date: Feb 2006
Posts: 1,904
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Gotcha - I would use a urathane silicone in color of your choice
My choice would be 11fc in white Cheers
__________________
Q: If you have tried to sell it three times now and it is still not sold, do you think it might be over-priced? A: It is over priced - just like all the other falcon coupes for sale!! |
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14-06-2021, 06:40 PM
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#9 | ||
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Guest
Join Date: Aug 2018
Posts: 1,892
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The Title of this Thread, Reminds Me of the Old Story, About a Young Newly Wed Couple. Who got Putty Confused with Vaseline....
All their Windows Fell Out... |
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14-06-2021, 07:27 PM
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#10 | ||
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DIY Tragic
Join Date: Apr 2018
Location: Sydney, more than not. I hate it.
Posts: 20,849
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I thought it was Vapo-Rub?
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14-06-2021, 07:44 PM
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#11 | ||
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Banned
Join Date: Jan 2009
Posts: 1,621
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i would think about ripping out all/most the puttys/sealants and rebuild with a devcon two pack system . its used in industrial applications. i worked in a chemical plant for ten years and the plumper used this stuff all the time.
https://www.itwpf.com.au/devcon/products/ |
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14-06-2021, 08:13 PM
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#12 | ||
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DIY Tragic
Join Date: Apr 2018
Location: Sydney, more than not. I hate it.
Posts: 20,849
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If I had the luxury of time, a client who wasn’t excessively garrulous and long-winded, and paid better, I’d look for a nicer solution.
One of these and a back-to-wall close coupled suite would smarten the show up. https://plumbingsales.com.au/spares-...0mm-pa420.html Happy to have a sealed pan now, can’t wait to bundy off.
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14-06-2021, 11:31 PM
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#13 | |||
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Regular Member
Join Date: May 2010
Posts: 325
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Quote:
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Bonding Silicone Sealant to Epoxy Putty
Linear Mode
