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Replacing drop-in sink with undermount sink

6 years ago

Joseph Corlett - awhile back you told me I should be able to place an undermount sink in my corian kitchen countertop top where I currently have a drop in sink. Would they need to remove the current corian, take it to their shop to work on it, and then replace it? If so, what's a ballpark figure I should expect to pay for this service (not including the cost of the sink)?

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Comments (6)

Loretta Seeker
Original Author
6 years ago
Anyone?
PRO
Joseph Corlett, LLC
6 years ago
"Would they need to remove the current corian, take it to their shop to work on it, and then replace it?"

Some like to do it that way, I don't.

The cost depends on the sink you choose as a replacement. I'd pull that sink, profile and polish the edge, undermount a nice Kohler 22"x33" Vault, and reconnect the plumbing for $500.00-$900.00. Here's that job in stone, but you get the idea:

If you are willing to sacrifice your backsplash to give me some matching repair material, you can have nearly any sink you please. I strongly recommend the seamed undermounted Edge series from Karran, stainless or silegranite. You need to be comfortable in the $1,300.00 range.

Before.
After. This billed at $1,400.00 not including the sink.
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depending on the material you'll have an issue with how large the cutout would be. Even in quartz the front and rear rails will be quite thin. There are a few ways to deal with this, the best one being a "bump-out" at the sink location that makes the countertop about 3" deeper. Good choice if you have the room. Otherwise a good fabricator could give you a couple of options. One other consideration: drop in sinks usually have a larger radius at the corner between the vertical wall of the sink and the top flange. Not an issue if you want to expose the flange (which makes the cutout even bigger) but can be an issue of a bacteria trap if you are going with a slight overhang. from the pic yours looks like a fairly sharp radius.
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Yuck! I would confirm with Blanco, but I believe there is no stainless steel sink that exactly matches that cut out. Perhaps either the Blanco One or the Blanco Performa have a bigger cutout then the low divide sink that you currently have. What is your countertop made of? Some can be cut on site. If neither of those works, you may need to go to another manufacturer. I think that one of the Kohler sinks (brookfield?) will fit the cut out-but you have to actually have Kohler send you the template so that you can see if it will fit the cut out. It's very annoying. (And installing a cast-iron sink after the fact is not going to be easy unless you're willing to go with a drop in) I have the Blanco silgranite sink in white and I don't ever get any marks like your pans are making. What kind of pans are they?
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I replace sinks for a living and have yet to pull a countertop to replace a sink except in solid surface. You tap the cabinet front off, change the sink, and put it back on. I've done it twenty times. Did it the day before yesterday. For easiest sink changes, insist that your fabricator strap, not insert fasten, your sink in place with a Hercules Universal Sink Harness (Braxton Bragg) or a Sink Strap (Regent Stone Products) or two. Two easily accessible bolts instead of 12 inaccessible ones. I'd change a strapped apron undermount in a hour at most. Make sure he puts a nice radius at your sink cut-out too, 3/8" minimum. No pencil edge, please.
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I disagree with Joseph. A 30" cabinet is not 30" inside. A so-called 30" sink indeed need close to 30" to mount. It may not fit. Fortunately, Melody has a 27" sink, not a 30" one. It should fit no problem in her cabinet. If by "dishwasher outlet" you're talking about the receptacle for the dishwasher, as long as the plug will fit into it and you can reach it, it should be OK. If the plug itself is the disconnect, it's required to be visible to the guy working on the dishwasher, but a unplugged-plug is going to be pretty easy to see even if the receptacle itself isn't. The other thing to consider (since this was in the plumbing in addition to the electrical forum) is to make sure whatever disposal/tailpiece you're using will meet up with the drain line from the dishwasher.
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Loretta Seeker
Original Author
6 years ago
Thank you. That really helps me a lot. Now I just need to decide if it's worth the money or not.
PRO
Joseph Corlett, LLC
6 years ago
last modified: 6 years ago
Loretta Seeker:

This job is closer to yours. I think it was less than $500.00, not including the sink, but I didn't do the plumbing:

Plus you'll probably get refinished tops out of the deal too.
Loretta Seeker
Original Author
6 years ago
That price sounds much more enticing. For $1,000-$1,500, I might just go ahead and get new counters.
PRO
Joseph Corlett, LLC
6 years ago
I recently had a lady who decided that my $1,500.00 quote to fix her blown reinforcement rod was better spent as a down payment on new tops. It happens, especially if they inherited the stone or didn't like it that much anyway.

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