How to Install an Undermount Kitchen Sink – the Appropriate Way
Away from how smooth they may appear; they tend to make cleaning counter-top easier. This is because sinks are adhered to counter, and has no noticeable connections on the bowl that can be grease when cleaning the surface. It is important to know that a poor undermount sink installation can affect counter-top in modern kitchen settings.
It is advisable with a well finished cut counter-top before that is constructed with in the actual size before mounting the sink. Ensure that all the required holes that will ensure the successful completion of the process is predrilled and ready for accessory and facet mounts.
It is recommended that you have all your holes drilled by pros. This is because the entire process can be messy and oftentimes, it necessitates the use of technical tools that might not be common if you intend to “Do It Yourself.” And doing the entire process yourself could be very expensive, especially if you mistakenly crack or chip the top while carrying out the process.
You will need to provide the counter-top fabricator with adequate information on the faucet and sink you intend installing to get them to create an opening that will perfectly fit the sink shape and size.
So in a short while, we will be looking at how to install an undermount kitchen sink. We will evaluate some of the clean arrangements that can be done to carry this out effectively.
Undermount Sinks Can Be Installed in Any of Three “Reveal” Treatments
Reveal is a term that explains how visible the sink appears to be while viewing directly to the sink.
Basically, the three reveal styles are:
1. Positive reveal – the positive reveal exposes some part of the sink rim.
2. Zero reveal – the sink walls are flush with the counter top opening
3. Negative reveal – counter-top extends past sink walls.
Your visual preference should be your guiding principle when selecting a suitable revel style. Although, often time, most fabricators prefer to use zero-reveal style as they believe it appears more appealing and clean. Views from most professionals have also revealed that positive reveal creates a sink with a narrow surface that is difficult to clean. The truth is this; surfaces certainly become untidy in as much as we sponge mess on the counter-top into the undermount sink. On the other hand, negative reveal produces surfaces that are difficult to clean and can be a home to most pest.
Putting Up Your Workspace
Before you install an undermount sink on a cabinet base, its best to attach it to a counter-top. A sink base has limited space and will appear awkward if you do otherwise but if for personal reasons you consider installing a sink with its top in place or want to reset the current undermount sink which is detected from underneath the counter.
To do this effectively, you will need to cut the out the side of the cabinet; this will provide easy access to pin fittings; this will help protect the sink from the other side of the counter.
You should get work stand ready to provide you with the maximum support before the arrival of your counter-top; this will allow you to work both below and above without cracking or flexing it. Although the weight and the length of the top can be a great deal, an easy way to get around this –is to set a few bys across sawhorses. Using a tabletop with no frame can also serve as a better option.
Before starting, arrange the tools, that you will need while installing the sink, these include:
- Two-part epoxy
- Masking tape
- Faucet and accessories
- One tube of 100% silicone adhesive caulk
- Denatured alcohol
- Bar clamps (depending on attachment method)
- Sink-mounting clips with glue-on stud bases
Right-Side down or Right-Side Up? Is This a Tricky Question?
Although, there are professionals sink installers who prefer to have their job done underneath the counter while facing upward on a table that provides maximum support. While others will prefer a finished surface, that is position upward. This wholly depends on individual preference; as each style has its pros and cons.
It is pretty easier and faster to get sink installed using its underside, though the technique may appear a little weird if you want to know if each sink is rightly positioned on the spaces you created to get an anticipated reveal treatment. If you want to get a head start, you will need to slab the underside and the work stand to face upward. Use the following steps:
1. Ensure you clean the inner walls in the cutout with other areas that surround it using a rag that is damped in alcohol. And ensure all surfaces are free from dust and stains.
2. Use tape to seal up the cutout edges.
3. Position the sink over the cutout, ensure it centered to attain the desired reveal, then trace out the rim and create an outline where you will add the silicone glue. When this is rightly done, position the sink aside.
4. Layout the sink clips position, and outside each the lines, you drew and create each clip on both corners on the sink, and create a space that doesn’t not exceed 10 inches from both side.
5. Ensure you mix epoxy to glue the sink-clip studs. Spread out epoxy at the bottom of each individual stud, after which – you apply enough pressure on it and then squeeze out the epoxy to get into the holes you created for the stud bases. Afterward, allow to get dried for a minimum of 24 hours.
6. Add bead generously on the silicone at the edge of the cutout once you observed that the epoxied on the sink is clipped enough.
7. Center the sink and ensure it is rightly set in place over the opening. Check the outcome by looking under the work-stand to ensure the sink edge is rightly aligned, and both side of the reveals has equal sides. While doing this, you can carry out some couple of adjustment if need be.
8. Once you attain maximum satisfaction, then it is time to slip-up the inserted sink clip that it on the studs to make one end carry the sink rim. Thread out each wing-nuts on the studs fasten each down till it gets to the bracket. Ensure that each nut you fastened is a finger tight; this will eliminate unnecessary strain at the top of the counter.
9. Clean up the cutout edge to reduce the amount of silicon that is squeezed out from the edge. After this is rightly done, you can remove all the tapes and clean out the silicon that penetrates the tape. Use alcohol to ensure maximum result.
10. Install the faucet if possible.
11. Connect the faucet tube to a water source after you have installed the counter.
A View from the Top??
Most installers will prefer to install sink using the counter-top right side up. They believe doing so can provide a perfect view of the reveals at the last stage of the sink clips to be well fastened to hold the sink that is in the underside. This is also a step you are also required to take whenever you intend re-install undermount sink that is already existing or falling form the counter-top.
The best way to install an undermount sink from an above position is to ensure you hang it underneath the cutout by using a bar-clamp. If you intend to reposition a sink that was previously installed then it best you first detach it entirely from counter-top after then you can prop it up underneath the cutout.
- Setup props stacked 2 x 4 in. Boards or some temporary stand to support the sink in an inch or 2 underneath the cutout.
- If you intend to reposition, take off all the water supply that is directed to the sink, afterward detect the faucet and P-trap and disposal, and take the strainer body away from the sink-drain hole.
- Take away all the sink-clip bracket that will restrict the sink from falling off. Position the sink on a prop.
- Use solvent, knife, and scraper to wipe away dried glue from the bottom of the counter and the sink rim.
Once you have a clean surface at the bottom of the counter than its time to ensure you clean and install the new sink clip studs, at the right position, you think you feel it’s needed.
To Suspend the Sink Beneath the Cutout:
- Get two scraps of 2 by 6 inches. Boards that are approximately 2 ft. Ensure it extend more than the sink.
- Take away the handles from one or more bar clamps if you have a double sink you are working on, then its best to go for double.
- Thread up the bars from underneath the sink.
- Set one 2 by 6 inches. Board that is located at the below the sink and the stationary jaws clamp. Place about 2 by 6 inches board scrap at the top of the counter, while spinning across the sink.
- Regulate the clamps to hang the sink, let it be an inch beneath the cutout, while you arrange the rim of the with each cutout edges.
To Finish the Installation:
- Add silicon glue at the underneath the counter-top around the cutout.
- Fasten the clamp to get the sink rim to get close contact with the glue and counter-top bottom, regulating the position of the sink to get a desired reveal.
- Avoid over-tightening the wing-nut as this could lead to cracks on the counter- top.
- Wipe off all the silicon squeezed out during the process.
- Restore the faucet and drain connection if need be.
You can do this either way; right side up installation or upside down. Remember, a proper installation process will help you get rid of kitchen sink smell easily in the future.
In summary, the entire process of installing an undermount kitchen-sink is simple and easy and can be effectively carried out with little or no technical skills. Although, there are instances when you might be limited in term of accessing the right tools for the job. Nevertheless, if you feel uncertain regarding any step, then its best to consider the help of a professional.
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