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Kitchen or Scullery Apron Sink Tutorial

apron sink

This is an apron sink I’m installing in the scullery of my daughter’s new home. I also put a slightly different one in her kitchen island. (C) Copyright 2020 Tim Carter

DEAR TIM: I’m almost certain I want an apron sink in my new kitchen. You’ve got one last chance to talk me out of it. Have you installed one? Do you own one? What are the pros and cons of an apron sink? Are there special things you have to do to install one? I can sometimes be a person more concerned about looks than how something functions, so if you feel I’ll regret my decision, I need to know now. I trust what you have to say after reading your column week in and week out. Thanks. Lori T., Riverside, CA

Are you like Lori? I hope so! I hope before you make a big decision about a major fixture that you really do all your due diligence. Lori has asked all the right questions about apron or farmer’s sinks.

It’s important to realize I’ve been a master plumber since age 29. Over the years, I’ve installed my fair share of apron or farmer’s sinks. They’re really not that hard to install and it helps to have fine carpentry skills to make the install go perfectly. Another key point is that I have an apron sink in my own kitchen! What’s more, I just installed two of them in my daughter’s new custom home, one in her kitchen and the second one in her scullery.

I’ve always loved doing plumbing work and an apron sink connects to your household plumbing sink just as a normal one might. You might not give a second thought about the water and food particles that leave your kitchen sink, but they travel through a network of pipes that must be sized correctly and vented properly. While on the subject of vents, be sure your plumber installs a traditional loop vent if your apron sink will be in an island. Mechanical vents can fail and allow foul sewer gas into your nice new kitchen.

In my opinion, there are many many more pros than cons when it comes to apron sinks. Let’s talk about looks first, then functionality. There are many different designs when it comes to these sinks. The apron sink almost always projects past the front face of the kitchen sink base cabinet. This extra relief helps draw your eye to the sink, especially if the sink is a different color than the cabinetry.

One of the positive aspects of an apron sink is if you drip water down the front of the sink, it doesn’t harm the sink. With a normal sink, the water might flow onto the wood cabinet below. Some apron sinks have gorgeous designs that are part of the front of the sink, so this helps add character and beauty to the kitchen. Keep in mind you can get both single and double-bowl apron sinks. My own sink is a double-bowl design with one sink much larger than the smaller veggie-rinse sink on the right side of my sink.

The only negative thing I can think of is that it’s not always easy to replace an apron sink should it need to be done. Your countertop will overhang the top edge of the sink. This means if you need to remove the sink, it needs to slide out of the opening. This is not too easy to accomplish. What’s more, sink the cutout in the sink base cabinet is very exact, you need to replace the old sink with one that has the exact same measurements.

Let’s say you decide to go with a traditional over-the-counter drop in kitchen sink. These are quite easy to replace. A talented craftsman might be able to take out an existing sink and replace it with a new one in a couple of hours if everything goes according to plan. Most of these sinks all are about the same size so the cut out in the countertop will work with many sinks.

Apron sinks require a platform to sit on inside the base cabinet. In my daughter’s case, she had custom cabinets made and the cabinet maker was able to create the perfect platform inside the cabinet and do the required cutout on the face of the cabinet going off dimensions provided by the sink manufacturer. Her sink fit perfectly into the cabinet. I only had to make a simple circle cut in the platform for the drain hole.

Standard kitchen sink base cabinets can be used with apron sinks and you just have to build your own platform. A simple piece of 3/4-inch-thick A/C fir plywood will provide plenty of support and a 1x2 cleat screwed into each side of the cabinet will support the platform. Just be sure that the top of the apron sink sits 1/8 inch below the top of the cabinets so you can put a bead of caulk between the countertop and the top of the sink.

Keep in mind the platform for the sink doesn’t extend all the way to the back of the cabinet. Keep it away from the back of the cabinet about 5 inches so you can have access to the underside of the countertop. You’ll need this to be able to install the sink faucet.

Be prepared to shim the underside of the apron sink, especially if it’s a cast iron one. The sinks are not always cast perfectly and when sitting on the platform they may rock back and forth a little bit. You’ll need to shim the sink so it doesn’t move.

I have a few videos showing how apron sinks are installed and some dramatic photos of the support platform of my daughter’s scullery sink on my AsktheBuilder website. If you’re thinking of having one of these wonderful sinks in your kitchen, I urge you to take a look at the photos and videos. Simply type: “apron sink photos” in my search engine and you’ll find all you’re looking for.

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