How To Install Granite Countertops On Existing Cabinets?

Kitchen and bathroom granite countertops can improve the room’s visual appeal while offering outstanding durability and classic beauty. Installing these worktops over existing cabinets is a great way to enhance your kitchen without a complete overhaul. The first step in installing granite countertops is selecting the stone and considering different finishes, hues, and patterns.

Ensure the granite worktop you choose has the right thickness for your countertop style before installing them from professionals like Granite Nations. Before installation, create a thorough design plan that reflects your aesthetic choices and ensures your base cabinets are level to give a sturdy platform.

Without further ado, let’s dive into this article and examine the essential procedures for successfully installing granite kitchen worktops over pre-existing cabinets.

What Is A Granite Countertop?

Granite is a natural stone, polished and cut into slabs for countertops, particularly in kitchens and bathrooms. If you want your cabinets to have a sophisticated design, granite countertops meet your demands with their fantastic and distinctive appearance.

However, you shouldn’t consider it if you’re on a tight budget. Due to their superior quality and high ranking relative to other materials available, granite countertops are typically more expensive. Granite worktops are an excellent method for adding a little individuality to your cabinets.

Easy Steps To Install Granite Countertops

Here are all the essential steps to install a countertop like a pro.

Choose Granite

Choosing the appropriate stone is the first step in installing granite tile countertops. Examine your alternatives carefully because granite is available in a wide range of hues, patterns, and finishes. Make sure the granite you select has the right thickness for the style of your countertop. 

Measure For Installation

For a countertop installation to be practical, precise dimensions are essential. After these measurements, you can calculate how much granite you’ll need. Recall that exact dimensions provide a smooth fit and a refined finished appearance. 

Create a Design

Make a thorough design plan before starting the installation procedure of the granite kitchen bathroom countertops. This will assist you in seeing the finished product and guarantee that the installation satisfies your aesthetic standards. 

Level Base Cabinets

A vital component of installing a granite countertop is making sure your base cabinets are level. An even base gives the granite a solid platform upon which to rest, avoiding problems like unequal weight distribution or stress on the stone. 

Apply a Sealer

Because granite is a porous material, sealing it lengthens its lifespan and helps prevent stains. Apply a premium sealant to the granite’s underside before arranging it atop the cabinets. Follow the manufacturer’s directions and let it dry. 

Lift and Place the Granite

It’s now possible to lift and install the granite into the base cabinets as they are level and the substrate is ready. Because of the granite slab’s size and weight, help can be needed for this phase.  

Secure and Finish

After installing the granite tile worktops, use brackets or glue to fasten it to the cabinets. Make sure the countertop is firmly fastened and the seams are sealed. As per the design plan, finish the edges.  

Wrapping Up

You can install a granite worktop in your kitchen, bathroom, or anywhere in your residential or commercial place. You must carefully choose a suitable granite countertop, take measurements, and create a design. Then, you have to level the base cabinets, apply a sealer, and lift and place the granite slab. After that, you have to secure the slab and finish the process. 

Finally, always seek expert advice before installing granite countertops on pre-existing cabinets to achieve a safe and effective kitchen design that satisfies your demands and aesthetic preferences.

Finally, Granite Nations is the ideal choice if you’re searching for sturdy and reasonably priced installation of granite worktops for your kitchen and bathroom.


What should you apply under granite countertops?

A layer of plywood or a comparable material is frequently installed on top of the cabinets. This guarantees a sturdy platform for the countertop installation and aids in even weight distribution. 

Can you put countertops for the kitchen on old cabinets?

If the cabinets are sturdy and can hold the weight of the granite, then installing granite worktops over previous cabinets is acceptable.  

How do you attach granite countertops to cabinets?

Adhesive and mechanical fasteners are typically used to install granite countertops on cabinets. Typically, the countertop is bonded to the cabinet base; however, screws or brackets from underneath the countertop are frequently used to give further support. 

What is the best thickness for granite countertops?

A kitchen granite counter is typically between one and a quarter inches (1.25 inches). The most common type of granite in bathrooms is around 0.75 inches. Because bathrooms are smaller spaces, thicker granite slabs are optional.