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is it hard to reseal a sink to the underside of granite?

Posted on 5/3/17 at 8:32 pm
Posted by HebertFest08
The Coast
Member since Aug 2008
6392 posts
Posted on 5/3/17 at 8:32 pm
Looks like my sink is starting to lose contact with the granite. It's a deep sink that is cauked to the underside of the granite. Can I do this myself or should I get someone who knows what's going on to come in?
Posted by PSU2LSU
Oxford MS
Member since Apr 2011
3144 posts
Posted on 5/3/17 at 8:33 pm to
Undermount sink?
Posted by Jj283
Houma
Member since May 2015
798 posts
Posted on 5/3/17 at 8:35 pm to
I would think there is more than caulk/silicone holding it in place.

I know in my bathroom undermount sink there are brackets that slid into grooves the installer cut in the granite.

I'm the kitchen the sink is sandwiched betetween the plywood deck and the granite on top.

What makes you think it is coming apart?
Posted by Oilfieldbiology
Member since Nov 2016
37520 posts
Posted on 5/3/17 at 8:36 pm to
Check for brackets under the sink holding it up
Posted by stewie
Member since Jan 2006
3951 posts
Posted on 5/3/17 at 8:37 pm to
DIY - crawl underneath and take a look

It's fairly simple, brackets or wood holding the sink in place and silicone between the two.
Posted by ruzil
Baton Rouge
Member since Feb 2012
16913 posts
Posted on 5/3/17 at 8:39 pm to
I had the same issue with my last house. A patient of mine that sells quartzite gave me the name of the dude that installs his sinks.

IIRC, his name was Blake Williams and he did a bang up job reattaching the sink to the granite.

I'm glad I didn't attempt that myself as it was a tight space to work and looked pretty tough to do if that isn't your primary line of work.
Posted by QuietTiger
New Orleans
Member since Dec 2003
26256 posts
Posted on 5/3/17 at 8:39 pm to
quote:

Can I do this myself or should I get someone who knows what's going on to come in?

Believe it or not they are held up by some serious glue. Find that, apply, shore up with 2x4's, let set and be happy. I just don't know what the adhesive is called.
Posted by Motorboat
At the camp
Member since Oct 2007
22682 posts
Posted on 5/3/17 at 8:40 pm to
All my counters are sinking. Counter guy who is also a good friend is coming over for a beer. I'll try post what he says
Posted by HebertFest08
The Coast
Member since Aug 2008
6392 posts
Posted on 5/3/17 at 8:48 pm to


Found this piece under the sink (top pic). Looks to be attached at the spot in the other pic. Then I have a pic of one that's still on there. It's missing in the middle. Do I just silicone the piece back to the granite? And then also reseal b/w the sink and the granite?
Posted by REB BEER
Laffy Yet
Member since Dec 2010
16202 posts
Posted on 5/3/17 at 8:53 pm to
I would leave a piece of 2x2 wedged underneath there to insure it will never sag or come apart.
Posted by White Bear
Yonnygo
Member since Jul 2014
13894 posts
Posted on 5/3/17 at 8:55 pm to
Probably liquid nails or other badass adhesive. Not silicone.
This post was edited on 5/3/17 at 8:55 pm
Posted by HebertFest08
The Coast
Member since Aug 2008
6392 posts
Posted on 5/3/17 at 8:59 pm to
quote:

leave a piece of 2x2 wedged underneath there to insure it will never sag or come apart.


There is one screwed into the cabinet on the front side of the sink. Nothing on the back though. Would have to cut a piece to screw into both sides of the cabinets in the back.
Posted by REB BEER
Laffy Yet
Member since Dec 2010
16202 posts
Posted on 5/4/17 at 6:46 am to
I'm talking about all the way from the floor to the sink like this...

Posted by HebertFest08
The Coast
Member since Aug 2008
6392 posts
Posted on 5/4/17 at 7:04 am to
quote:

m talking about all the way from the floor to the sink like this..


Gotcha...

Should I try liquid nails to stick that piece back up there?
Posted by wildcat3
Member since Jul 2011
147 posts
Posted on 5/4/17 at 7:21 am to
Mine also failed and I found the Hercules Sink Harness. Installation was not terrible with help from neighbor to hold sink up etc. you can get on Amazon for about $20. Don't think I'll ever have a problem with sink breaking loose again. You basically have little wire cables that go across corner to corner that you tighten and it holds the sink up. There's a video on their website explaining step by step installation. Braxton-Bragg.com
Posted by tenfoe
Member since Jun 2011
6847 posts
Posted on 5/4/17 at 7:30 am to
quote:

REB BEER


I see your wife spends stupid money on that melaleuca shite too.
Posted by HebertFest08
The Coast
Member since Aug 2008
6392 posts
Posted on 5/4/17 at 8:17 am to
quote:

see your wife spends stupid money on that melaleuca shite too.



I was like.... wait, I thought I threw all that shite out!

Then I realized it was to REB...
Posted by REB BEER
Laffy Yet
Member since Dec 2010
16202 posts
Posted on 5/4/17 at 8:29 am to


Yeah, she wastes plenty of money on that stuff.
Posted by REB BEER
Laffy Yet
Member since Dec 2010
16202 posts
Posted on 5/4/17 at 8:37 am to
quote:

Should I try liquid nails to stick that piece back up there?


I'm not sure, when we had our granite installed, the guys left the wood wedged in there until the adhesive and everything dried. He said I could remove it or just leave it. I just left it because it's not really in the way, and it's peace of mind that the sink can never drop down.
Posted by HebertFest08
The Coast
Member since Aug 2008
6392 posts
Posted on 5/4/17 at 10:28 am to
Prolly run to lowes and see what they have... try to re attach that little bracing deal with something. I think it may be a piece of granite or something similar. Wasn't a brand new house when we bought, so I'm not sure what it is. I'll try to do it myself and wedge a 2x2, if it doesn't hold I'll call someone who knows what is going on
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