A Sink Dilemma...please help!

6 years ago

We are in the process of changing our countertops to quartz. The fabricators are scheduled for this week. The plan is to change the sink from the current top mount to an undermount. I was all set to order a 30" sink from Amazon when I realized that our cabinet may not be able to accommodate that. The current sink measures 33" x 22" (which is why I thought a 30" sink would be no problem). The cabinet measures 28 1/2" x 22". However, we can see that a portion of the cabinet was cut away to accommodate the current sink. Could that allow us a 30" sink? I'd like to know what the largest size undermount sink is that I could have installed. Please excuse the mess. We just had the high bar cut down and things are a bit rough. Thank you in advance!

Featured Answer

mama goose_gw zn6OH

6 years ago

last modified: 6 years ago

The cabinet measures 28 1/2" x 22". Is that interior, or the width and depth of the whole box? Most kitchen cabinets are 24" deep. (Unless your cabinet was custom-made to be more shallow than standard.) If your cabinet measures 30" across the face, on the outside, you have a 30" cabinet.

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Comments (13)

mama goose_gw zn6OH
6 years ago
What's the inside measurement on your existing sink?
sfmommy01
Original Author
6 years ago
The basin of the sink is 28" x 16".
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wdccruise
6 years ago
There is no single answer. It depends on the sink model.
1. Browse to build.com.
2. Select (for example) 23"-25" stainless steel, undermount sinks with one basin in the left-hand menu.
3. Open the webpage of a sink you like.
4. In the Dimensions and Measurements section, check the Minimum Cabinet Size (if not shown, click the link to the product spec sheet).
Examples:
- Kohler K-3332-NA 23" wide (Minimum Cabinet Size 27")
- K-3822-4-NA 25" (27")
- Miseno MNO2421SRTM 24" (27")
- Kraus KHU101-23 (27")
sfmommy01 thanked wdccruise
mama goose_gw zn6OH
6 years ago
The flange on your sink is 33". It looks as if you might have some wiggle room on the right side, since the cut-out appears to be smaller than the sink. I'm assuming the DW is to the left (I see a drain hose). What is to the right? Can you measure the inside of the cabinet, then measure the void on each side?

I've read you should use straps for an undermount sink, so you might be able to get a 30" sink in there. Not so sure about the structural integrity of the cabinet, though, with the two cut-outs.

Maybe someone else can help.
sfmommy01 thanked mama goose_gw zn6OH
PRO
Joseph Corlett, LLC
6 years ago
If you've got a 30" cabinet, a 30" sink will undermount with no problem.
sfmommy01
Original Author
6 years ago
My cabinet is only 28 1/2" inches wide. Does that mean the largest undermount sink it can accommodate is 28"?
suezbell
6 years ago
Now might well be the time to consider making a change in the base cabinet(s) in which your new sink will sit -- and, perhaps, reconsider your sink options as well. You might consider posting a pic of the cabinet(s) on that wall at the sink and see if you might get some helpful suggestions from the Houzz pros..
sfmommy01
Original Author
6 years ago
Thank you for the helpful suggestions and guidance. We cannot make changes to the base cabinets at this time. That's just not in our budget...although it's a great idea.
sfmommy01
Original Author
6 years ago
Thank you so much for explaining this! I was measuring inside the cabinet only. My cabinet measures 34" across and 24" deep. Loads of possibilities just opened up for me! I'm so grateful for this community of helpful people.
PRO
The Kitchen Place
6 years ago
There are a few 27” single bowls that are nice. I personally like MRdirects #2920S with the cutting board accessory.
PRO
The Kitchen Place
6 years ago
Ps the interior dimension is the most important. 34 exterior and 28.5 interior doesn’t make sense with cabinet standards. Is there a filler piece in there too!
PRO
Joseph Corlett, LLC
6 years ago
sfmommy01:

Look at your sink base cabinet please. If you have modern production cabinets, there will be a vertical seam immediately adjacent to the doors/drawer front on each side. Measure from seam to seam. With an interior dimension of 28 1/2", you will probably get a dimension of 30" which means you have a 30" cabinet which means you can have a 30" sink.