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Old 07-12-2013, 10:18 AM   #1
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under counter sink installation


Does this look right to you?
Our contractor has installed our sink using shelf brackets and a 2x4 with door shims. The counter is 2cm granite without any plywood backing (which I am not very happy about either). It looks kinda mickey duck to me.
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Old 07-12-2013, 10:26 AM   #2
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under counter sink installation


Looks like a poopy install to me.
Those shelve brackets are useless for that job.
Not even sure how you would install the drain strainer set up like that.

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Old 07-12-2013, 10:55 AM   #3
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under counter sink installation


Wow. That's just wrong. What does the top side look like? Was the installation done by a stone contractor or someone else?
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Old 07-12-2013, 11:24 AM   #4
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under counter sink installation


AGREE ^^^^^.... Looks very sloppy..... and with only 2cm.... not very sturdy/supportive.

The front of the sink at maybe only 4" wide can be prone to cracking.... did the granite guys epoxy in a steel reinforcement rod... (actually not sure you can do that with 2cm.)

I actually have never done 2cm.... and I thought 2cm was supposed to have a plywood (recessed if granite is not lipped out to 4") support???

What kind (name) of granite. The stone streangth varies quite substantially with type of granite.

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Old 07-12-2013, 12:07 PM   #5
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under counter sink installation


The granite is "Volga blue"
the granite was installed by the stone company but the sink was installed by the cabinet contractor. The topside looks OK.
no rods.
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Old 07-12-2013, 12:59 PM   #6
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under counter sink installation


I'm going to make some assumptions.

The counter contractor used shims or blocks to raise the counter top 2cm to get the front to overhang the cabinets correctly.

The counter should have had threaded holes installed for the sink so clips could be used to hold the sink to the bottom of the counter. This assumes the counter contractor took the sink during templating.

The cabinet contractor installed the sink this way 1) didn't know how OR 2) added the supports because unsupported 2cm granite will not support the weight of a full sink.

I have no experience with 2cm but to me, it's not strong enough without backing. If it wasn't in your contract, you might be out of luck. If it were my house, it would all be coming out to be redone. You're making a huge investment in your kitchen and it should be done correctly.
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Old 07-12-2013, 02:31 PM   #7
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I really thought I had seen it all.
I was wrong.
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Old 07-12-2013, 03:46 PM   #8
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under counter sink installation


2 CM is only .065 thick!
Not even sure how they could have epoxied in an insert with it that thin.
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Old 07-12-2013, 04:07 PM   #9
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under counter sink installation


2cm is 0.65" about 2/3 of an inch but you are right, they generally don't put inserts into 2cm. They put a plywood backing and screw the mounts into the plywood.

The 2x4 you see there is holding up the front of the sink, with the help.of door shims. And silicone sealer.

The installer says I'm being too fussy," its always done this way. "
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Old 07-12-2013, 04:09 PM   #10
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under counter sink installation


(I'm the other half involved with this kitchen dilemma)

I'm wondering how it's going to hold the weight of a garburator?
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Old 07-12-2013, 04:20 PM   #11
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under counter sink installation


Can you post some pics from the top side of the sink? So there's nothing holding the rim of the sink to the counter?

Water weighs about 5 pounds per gallon. Fill both sinks add the weight of the garbage disposal and that 2x4 on its side is going to flex. Then you've got problems.

Do you have a contract that gives you some power to get them to redo it?
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Old 07-12-2013, 04:27 PM   #12
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These are the only other pics I have of the sink installation right now. Not sure if this'll help with ideas or not...
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Old 07-12-2013, 04:28 PM   #13
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under counter sink installation


The sink is mounted below, so there's really nothing much to take a picture of from the top... There is a clear silicone of something along the edge of the sink.
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Old 07-12-2013, 05:47 PM   #14
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under counter sink installation


The only idea I have is to have it redone. Hopefully someone will come along with some suggestions.
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Old 07-13-2013, 08:54 AM   #15
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I have done a lot of kitchens, but never used the thin granite. Everything around here is 1 3/16". The granite shop that does our fabrication and installs always mounts the sinks. For a stainless steel sink, they use some kind of strong adhesive and clamp it into place from above overnight. Never had a problem. For a heavy sink like a granite farmhouse style or cast iron, I build a 2 x 4 frame with a 3/4" furniture grade plywood top on it for the sink to sit directly on. I cut holes large enough for the sink strainers to be installed with room to work, and also cut an access in the plywood for the faucet hookups. Never seen anything like whats in your pics. That's a pretty poor job, and I don't believe you're being too picky.
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