The best thing about undermount sinks is that they can be used with any type of stone countertop. Whether you have a marble countertop, a quartz countertop or a granite countertop , undermount sinks can be installed without any problems.
Wondering how to install drop-in sink on granite countertop? Look through the guide below. Before the undermount sink installation takes place, your old sink should obviously be removed.
Shut the water down and remove the plumbing fixtures. Have a bucket and a mop or rag handy in order to remove any excess water that drips out. In the case you have a garbage disposal installed, shut down the power and remove it as well. Most of the time, the undermount sinks installation process requires a silicone sealant.
Remove the old one with a utility knife and unscrew the metal clips that are attaching your sink to the countertop. If a faucet replacement is required, now is the best time to do it.
As you will be working primarily under the sink, always wear protection goggles or glasses to ensure your safety.
Now the kitchen countertop should be prepared for the new undermount sink installation. Use a razor scraper to remove all of the remaining silicone. Be careful, as you can scratch the countertop. To finalize the cleaning and prep work, apply alcohol to both the top and bottom sides of your countertop, as well as to the rim of your undermount sink. Hiring a professional may not even be necessary. Before starting your project, you will need to prepare a few essential items in order for the installation to go smoothly.
First things first, you should start with getting your undermount sink ready for installation. Make sure that your sink is the proper size for your countertop. Have sandpaper handy for polishing the surface of your countertop and making the undermount sink installation process much easier. As the undermount kitchen sink installation requires clips, having a power drill is necessary to drill the holes in your countertop and adjust the position of the clips.
Even though the power drill works just fine, having a screwdriver is very important for this kind of job. You will be able to slightly loosen or tighten clips at any time without much of a hassle. Using clamps will make the undermount sink installation much easier.
This way, adjusting the position of your countertop will become much simpler for you. Using a sealant is crucial for an undermount kitchen sink installation, as it will ensure the stability of the whole construction. We recommend using a silicone sealant, not only for its durability, but also for its water resistance. Measure the sink opening in your granite countertop. Normally, it will be 33 X 22 inches from outside the rims. Choose a reveal style for your sink. Your choice of a reveal style should be based mostly on your preference but most people will go with the zero reveal.
This type of reveal looks professional and leaves minimal space for dirt, grease, and germs to slip into. Center the sink to the opening on the countertop carefully. With the undermount sink in place, mark the potions where the holes need to be drilled on the countertop. Take the sink out, and use a drill to put holes in the marked spots.
Then clean the ridge with denatured alcohol and allow it to dry. Next is to apply a thin layer of sealant to the sink lip and place the sink in from underneath. Adjust it into position under the granite.
Be sure to use clear caulking when working on your granite countertop especially if the stone is dark in color. This will give it a cleaner and more professional appearance once the project is done. Insert the wingnuts into the available screw heads and make sure the nuts are tight.
Wait for a few days for everything to set before installing the fittings. Remember to caulk around all threaded connections to create a waterproof seal. To ensure a tight seal, apply pressure on the sink from the top around the edges with your hands and press out any trapped air. Lastly, wipe away with a clean cloth any sealant or caulk that shows around the edges of the top of the sink. Carefully examine everything, then pull and push the sink slightly to ensure that both the alignment and sealing are done correctly.
Four to six hinged brackets push the flange of the sink against the bottom of the granite or quartz counter and are then screwed into the wall of the cabinet to hold it in place. Gravity, moisture, and the vibration of a garbage disposal create a shocking amount of stress on an under mount sink installation, so make sure the fabricator you hire for your granite or quartz project uses clips, rails, or brackets instead of a shortcut!
Are you considering new countertops for your kitchen but not sure where to start? Our free Countertop Buying Guide has all the information you need to make the best decision for your style, budget, and needs. Sink Rails For extremely heavy and uneven cast iron and clay sinks, a rail system is necessary so the cabinet supports the weight not the counter top.
Learn more about undermount sinks in our blog, Undermount Sink Failure In Granite And Quartz Are you considering new countertops for your kitchen but not sure where to start? Leave us your information, and we'll be in touch. This field is for validation purposes and should be left unchanged. Close Window.
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