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Jan 14, 2022

How To: Installing a Farmhouse Kitchen Sink

New sink installation usually comes hand-in-hand with new countertops. Installing a farmhouse kitchen sink is a do-able DIY project that you can perform before your countertops are replaced. Here is a guide on how to install a farmhouse kitchen sink without professional help.

What To Consider Before Installing a Farmhouse Kitchen Sink

Installing a sink by yourself is no easy task. Before you embark on this DIY project, consider the following.

Assess The Type of Mount You Want 

There are three sink mount setups that you can choose from.

  1. Top-Mount: In this setup, the phalange sits on the countertop like a regular sink. This mount setup can be used with any countertop surface. 
  2. Flush-Mount: The sink sits evenly with your countertop. A solid surface or custom-made laminate top is required for this type of mount. 
  3. Under-Mount: The sink sits underneath the countertop. This setup requires a waterproof top that is custom-cut for the sink and faucet. 

Assess the type of mount you want for your sink

The type of countertop you choose is a big determinant for the type of mount you should choose for your sink.

Determine The Type of Sink To Install 

Farmhouse sinks are very heavy. You may need assistance when inserting your farmhouse sink onto your cabinet. These sinks are commonly made of fireclay or porcelain but are also available in stainless steel. Opt for a sink that comes with detailed instructions on the cabinet measurements you need and cut-out templates to make self-installation easier.

How To Install a Farmhouse Kitchen Sink in 5 Steps 

Step 1: Remove Old Sink 

Before removing anything, it is best practice to take a picture of your current drain setup for reference.

  • Turn off the water and disconnect the plumbing.
  • Remove the garbage disposal.
  • Remove the sink lips underneath.
  • Cut the sealant on top.
  • Pull out your old sink. 

     

Step 2: Remove Old Countertops 

  • If your countertop is screwed in, use a screw gun to remove screws from the countertop. 
  • If your countertop is glued in, use an oscillating saw to get in between the countertop and cabinet to make an easier separation. 

Step 3: Cut Pipes To Size, If Needed 

In certain situations, you may have to shorten your plumbing for sink clearance.

  • PVC Pipes: Mark length needed and cut with a hacksaw or PVC cutter. Remove burrs with an 80-grit sandpaper on the inside of the pipes and outside the pipe fitting. Dry fit the pipe tubes and tighten once the sink is in place. 
  • Copper Pipes and Water Valves: Cut copper with a pipe cutter and deburr with a deburring tool. Once smoothed, slide a push connector into the copper pipe. 

Deburring should not be overlooked. If you do not smooth out rough edges within your pipes, this can cause ill-fitting joints and future leaks.

Step 4: Prep Your Cabinet

Before cutting your cabinet to make room for your farmhouse sink, make sure the cabinet is even and level. Use shims to level the cabinet if needed. Remove the doors, screws, and brackets to prevent damage and make sink installation easier.

 

Whether your sink comes with a template for your cabinet or lists the measurements needed to cut out in your cabinet. Make sure you mark your cabinet precisely. Use a jigsaw or oscillating saw to cut out the necessary pieces. Smooth out the rough edges using sandpaper.

 

Farmhouse sinks require extra supports inside the cabinet because of their weight. Some sinks can weigh up to 300-lbs when full of water. To add supports, do the following:

 

  • Measure your sink thickness and mark this length on the inside of your cabinet walls. 
  • Apply construction adhesive to 2x4 wooden supports and hold firmly in place on the inside of your cabinet. These supports should align horizontally. 
  • Secure your supports with screws. 
  • Add vertical supports that extend to the base of the cabinet. 

Step 5: Install New Farmhouse Sink 

Install your new farmhouse sink

  • Insert your sink into your cabinet on top of the supports. Use shims if necessary to level the sink. 
  • Double-check the height of your sink to ensure it is level. 
  • Once your sink is in place, you can call your countertop installers to arrange your counters. 

Where To Find Your Farmhouse Sink 

At Antique Farmhouse, we can make your sink installation easier. We offer a curated collection of farmhouse sinks that will satisfy your critical eye. Contact us today for design ideas for your new kitchen sink.



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