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How to Install a Farmhouse Sink in 7 Simple Steps

How to Install a Farmhouse Sink

Learning how to install a farmhouse sink without a guide or framework can be hit or miss. Farmhouse sinks can weigh up to 300lbs when they’re full of water. If your cabinet or frame isn’t strong enough to handle this weight, it could all come crashing down in one expensive moment.

Our guide takes you through the exact steps you’ll need to follow to install your sink perfectly. The goal is to have an installation that’s easy and lasts for a long time. You’ll learn how to install the sink in existing cabinets and how to install stainless steel kitchen and laundry sinks.

Let’s get into the guide!

Farmhouse sinks are very heavy and are typically made from enamel-coated cast iron. It’s essential that it has proper support and fits snug into the cabinet. Gather together the following items and move on to the next section:

  • Spirit level
  • Measuring tape
  • Flathead screwdriver
  • Hack saw (or copper pipe cutter and PVC cutter)
  • 80 grit sandpaper
  • Wooden shins for leveling cabinet and sink height
  • Painters tape and a marker

If you’re looking for some farmhouse sink design inspiration, here are some fantastic ideas to get you started down the right path!

How to Install a Farmhouse Sink in Existing Cabinets

Make sure you have all your tools handy, as well as the instructions for your sink. Follow these steps to learn how to install farmhouse sinks in existing cabinet units:

Step 1: Measuring the Existing Cabinet

Use your tape measure to get an accurate measurement of the following:

  • Width of the cabinet
  • Distance from the top of the cabinet to the bottom of the opening for the drawers
  • Distance from the top of the cabinet to the doors
  • Make sure that surrounding cabinets, doors and drawers will be able to open without touching the farmhouse sink apron
  • Measure the height of the plumbing that remains after the old sink was removed

Step 2: Preparing the Plumbing for the Farmhouse Sink

The PVC pipe that comes with your farmhouse sink might be too long to fit it as is. Measure step one and mark out where you need to cut the PVC pipe from the new sink.

Use the PVC cutter or the hacksaw to cut. All you need to do is use the marker to draw a horizontal line where you should cut. Once you’ve cut the PVC pipe, use the 80-grit sandpaper to smooth out the cut. Do this for the inside and outside of the pipe.

Dry fit the PVC elbow to the pipe. We’ll seal this up when the sink is installed.

Follow these steps to prepare the copper pipe:

  1. Use the copper pipe cutters to cut according to the measurements from step 1
  2. Fit on the water valve
  3. Close the hold on the fitting and you’re done

Step 3: Remove the Counter Top

Skip this step if the workers removed the countertop when they uninstalled the old sink. Follow these steps to remove the countertop:

  • Use the oscillating saw if the counter is glued on
  • Use a screw gun to back out the screws otherwise
  • Sand the rough edges down with sandpaper

This step is pretty simple. Be sure not to chip the wood or damage the counter when you’re using the oscillating saw.

Step 4: Leveling Out the Cabinets

Use the spirit level to make sure that all the cabinets are level. If there are any discrepancies, level them out with wooden shins. This shouldn’t take long to do.

Simply gently hammer the shins into place while your friend monitors the spirit level. Be careful not to hammer too hard, or you’ll risk cracking and chipping the cabinet.

Step 5: Remove the Doors and Drawer

If your cabinets have fake drawers, you should also remove them. Use the screw gun to remove the screw holding the doors and fake drawers in place. Remove the doors and drawers.

It’ll be easier to work inside the cabinet and will eliminate the risk of damaging the doors.

Step 6: Marking the Areas on the Cabinet to Be Cut

Check to see if your plans come with a cutting template and keep it nearby. Put painters tape along the area to be cut.

Mark the center of the cabinet (mid-point between the two sides on the front face of the cabinet). Line up the template and trace the area to be cut with the marker.

Step 7: Cutting the Space for the Farmhouse Sink

Remove the template and cut according to the markings with the oscillating saw.

Sand all the rough spots down.

Step 8: Installing Support Beams

Get some solid support planks and install them into the sides of the cabinet. This is one of the most important steps for how to install a farm sink.

You want a T-shape to be formed. The top of the T will support the sink and the shaft will support that crossbeam.

You need to account for how your sink will sit in the cabinet. There are 3 options:

  • Flush mount
  • Above-surface mount
  • Below the surface mount

Make sure you set the T-shape support beams accordingly. Secure the beams with screws and glue.

Step 9: Put the Sink in Place

This is the final step for how to install a farmhouse kitchen sink.

Here are the steps for how to mount a farmhouse sink:

  • Get someone to help you lift and place the sink as they can be very heavy.
  • Double-check that it’s all level and use the wooden shins for any corrections.
  • You’re ready to call your installers and get them to install your new counter-top.

P.S. Follow this 9 step process if you want to know how to install a stainless steel farmhouse sink. It’ll be easier as they aren’t as heavy, and won’t need such strong support.

Final Thoughts

That’s it! Well done for getting through this guide.

Now that you know how to install farmhouse sinks, you’re ready and equipped to put your knowledge into practice – good luck!

 

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Dulsu Virgo

Hello World! This is DulsuVirgo. I am a blog writer. I like to write anything. Most of the time I passed to write something.

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