Granite Countertops: Installation Guide

30 October 2023
 Categories: , Blog


Granite countertops are undoubtedly a popular choice when it comes to kitchen and bathroom countertops. These countertops are durable and beautiful and can last for decades with proper care. Installing a granite countertop requires skill, effort, and precision to ensure that it is installed properly. This article will discuss the process of installing granite countertops and highlight key elements to consider to ensure a successful installation.

Determine the Countertop Dimensions

Before beginning the installation process, the countertop dimensions must be measured. This is to ensure that the granite slab is the right size and shape. Inaccurate measurements will result in wasted materials and added costs. To measure properly, take a tape measure and measure the length and width of the countertop base, including the sink's dimensions. Ensure that these measurements are accurate. It would be best if you also communicated with your installer about any cutouts needed for stovetops, faucets, or built-in appliances.

Prepare the Countertop Base

After taking measurements, the next step is to prepare the base where the granite will sit. If the base cabinets are not level, adjustments might need to be made. This is critical in ensuring a level installation, which is necessary if the countertop has a sink. Once accurate leveling is achieved, the countertop base should be screwed to the cabinets to hold it firmly in place.

Granite Slab Preparation

Before installation, the granite slab must be prepared to fit onto the countertop base. At this point, your installers will cut the slab to fit the precise measurements taken earlier, including cutouts for any fixtures or appliances. Granite is a heavy stone and requires a professional to handle it. A suction cup tool is used to move the slab into place and ensure that it is correctly adjusted.


Once the granite slab is prepared, the actual installation process begins. The granite slab is gently placed on top of the countertop base, and the sink is installed if needed. The edges of the granite slab are sealed using silicone to ensure a watertight and stable surface. This is a critical step that helps prevent water damage while providing additional support.


Once the installation process is complete, the final step is finishing. Your installer will inspect the countertop to confirm that it is level and correctly positioned. They will then use an electric sander to smooth out the granite edges and polish them to give the countertop a professional finish. Finally, they will clean the countertop and apply a sealer to protect it.

Contact a professional to learn more about granite countertops installation