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Kitchen sink replacement help

Posted on 1/30/20 at 11:03 am
Posted by Floating Change Up
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Member since Dec 2013
11852 posts
Posted on 1/30/20 at 11:03 am
I have an undermount double basin stainless steel sink in my kitchen. I want to replace it with a deeper single basin. I have granite counter tops.

My house is about 14 years old. The problem is the builder installed the original sink with some kind of epoxy/adhesive. There are no mounting tabs.

How do I remove this dang thing without destroying my granite? I asked a few people at Home Depot and I got the typical, "I dunno buddy." response. I asked a guy at the Lowe's contractor desk who used to do remodels/builds and he said the best was is to cut out a bigger hole in the granite and insert a new sink.

Any suggestions or experts have any advice? The google machine has been little help.
Posted by ItzMe1972
Member since Dec 2013
9800 posts
Posted on 1/30/20 at 11:11 am to
May ask some local granite fabricators what they would suggest.
Posted by lsutiger2010
Member since Aug 2008
14790 posts
Posted on 1/30/20 at 11:20 am to
(no message)
This post was edited on 10/19/21 at 8:15 am
Posted by WPBTiger
Parts Unknown
Member since Nov 2011
31011 posts
Posted on 1/30/20 at 11:21 am to
Try going around the sink with a putty knife.
Posted by Floating Change Up
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Member since Dec 2013
11852 posts
Posted on 1/30/20 at 11:29 am to
quote:

Try going around the sink with a putty knife.


Yeah, I started there first. I don't know if they used liquid nails, 5200, or some kind of 2 part epoxy. Stuff is tougher than Chinese Arithmetic.

Anyway, thanks for advice all.
Posted by Floating Change Up
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Member since Dec 2013
11852 posts
Posted on 1/30/20 at 11:32 am to
quote:

Well, here is your first problem


This response right here... exactly what I needed.

Posted by CarRamrod
Spurbury, VT
Member since Dec 2006
57440 posts
Posted on 1/30/20 at 1:16 pm to
i just replaced mine but it was an above mount with screw tabs below. it was easy.

If i was in your shoes i would use a putty knife of something hard and metal and hammer between them. Im interest to see what they did. i wouldnt be afraid the glue would harm the granite getting pulled off. just be careful hammering the metal pieceon the granite.
Posted by Aristo
Colorado
Member since Jan 2007
13292 posts
Posted on 1/30/20 at 2:20 pm to
Try to heat it with a heat gun and then try to pry it a little at a time. Look for a chemical that is an epoxy remover to spray in between.
Posted by fishfighter
RIP
Member since Apr 2008
40026 posts
Posted on 1/30/20 at 3:15 pm to
quote:

Try to heat it with a heat gun and then try to pry it a little at a time. Look for a chemical that is an epoxy remover to spray in between.


This. They use epoxy to install them. Heat will soft it up.
Posted by idlewatcher
County Jail
Member since Jan 2012
79111 posts
Posted on 1/30/20 at 3:19 pm to
quote:

he said the best was is to cut out a bigger hole in the granite and insert a new sink.



Really not a bad idea assuming the new sink is actually bigger.

Would a heat gun work? That epoxy is pretty damn tough from what I understand
Posted by fishfighter
RIP
Member since Apr 2008
40026 posts
Posted on 1/30/20 at 3:21 pm to
(no message)
Posted by awestruck
Member since Jan 2015
10940 posts
Posted on 1/30/20 at 6:09 pm to
Haven't done such; however the 1st thing I'd do is drop a small line/rope from a 2-by through a drain and cinch it around something beneath (and back up) to support the sink ... for when your successful it'll be hanging and not on you or camming off one side. They do such with a bessey type clamp when installing.

Do you have a multi-tool? If so maybe a scraper blade might work and if not I'd go bi-metal blade next and tile blade as last resort. If no multi-tool a 4" or 4.5" side grinder with cutoff wheel would make short order of a stainless sink... you'd need a mask and glasses.

Biggest task I'm guessing will be getting it all off (flush).
This post was edited on 1/30/20 at 6:11 pm
Posted by Clames
Member since Oct 2010
16569 posts
Posted on 1/30/20 at 6:10 pm to
Bernz torch and an oscillating tool with scraper blade, works well in my experience.
Posted by Floating Change Up
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Member since Dec 2013
11852 posts
Posted on 1/31/20 at 2:08 pm to
quote:

Biggest task I'm guessing will be getting it all off (flush).

This is my concern as well. Especially since I’m trying to keep the under mount look and I don’t have the luxury of having the counter top upside down like on the initial install.

I’m not a cheap bastard, and I will hire professionals when necessary. I just think this is a project that I should be able to complete.

Thanks everyone for your suggestions.
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5266 posts
Posted on 1/31/20 at 3:10 pm to
Could you try one of these with the appropriate blade? You’ll be doing under the sink countertop - correct?

Posted by ChEgrad
Member since Nov 2012
3265 posts
Posted on 1/31/20 at 9:10 pm to
Acetone may soften it.
Posted by tigers win2
Baton Rouge
Member since Oct 2009
3837 posts
Posted on 2/1/20 at 7:10 am to
LINK to you tube video

Some of the same ideas suggested. Just hope you aren’t right next to an edge of the cabinet that limits access. .
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