How to Make a Sink Cutout in Granite - BridgeSaw | Relax, it's an MTE BridgeSaw
how to cut granite for a sink

July 3, 2024

How to Make a Sink Cutout in Granite

Granite countertops are a popular choice for kitchens and bathrooms due to their durability, beauty, and resistance to staining. When installing a granite countertop, one important step is making a sink cutout. This allows for the sink to be seamlessly integrated into the countertop, creating a clean and polished look.

1. Measure and Mark the Sink Location

Before beginning the sink cutout process, it is important to measure the exact dimensions of the sink and mark its position on the granite slab. Use a pencil, measuring tape, and a straightedge to ensure accurate placement. Double-check your measurements to avoid any mistakes that could result in a poorly fitting sink.

2. Create a Template

To ensure a precise and accurate sink cutout, creating a template of the sink’s shape is helpful. This can be done by tracing the outline of the sink onto a piece of cardboard or plywood. Cut out the template and use it as a guide when marking the sink cutout on the granite slab.

3. Secure the Granite Slab

Before cutting the sink opening, securing the granite slab in place is important to prevent movement. Use clamps or suction cups to steady the slab on a stable work surface. This will ensure that the cutout is clean and straight.

To cut a sink opening in granite, you will need the right tools for the job. A diamond blade wet saw is recommended for cutting through the hard surface of granite. This type of saw will provide clean, precise cuts without causing damage to the stone. Make sure the saw is equipped with a water cooling system to prevent overheating and keep dust to a minimum.

5. Make the Cut

Begin by marking the outline of the sink cutout on the granite slab using the template you created. Use a straight edge to connect the marks and create a precise cutting line. Start by making a series of shallow cuts along the line, gradually increasing the depth of the cut with each pass. Take your time and let the saw do the work to avoid chipping or cracking the granite.

6. Remove the Inner Piece

Once you have made the cuts along the outline of the sink, carefully remove the inner piece of granite. This can be done by gently tapping the piece with a hammer and chisel to break it free from the surrounding stone. Take your time and work carefully to avoid causing damage to the surrounding area.

7. Smooth the Edges

After the sink cutout has been made, use a diamond polishing pad to smooth the edges of the opening. This will create a clean and finished look that will seamlessly blend with the rest of the countertop. Take care to remove any rough edges or sharp corners to prevent injury.

8. Test the Fit

Before installing the sink, make sure to test the fit of the opening to ensure it matches the dimensions of the sink. Place the sink into the cutout and check for any gaps or inconsistencies. Make any necessary adjustments to ensure a snug and secure fit.

9. Seal the Edges

To protect the granite from water damage and staining, it is important to seal the edges of the sink cutout. Use a silicone sealant to create a watertight barrier that will prevent moisture from seeping into the stone. Allow the sealant to dry completely before installing the sink.

10. Install the Sink

Once the sink cutout has been made, smoothed, and sealed, it is time to install the sink. Follow the manufacturer’s instructions for properly securing the sink in place. Make sure the sink is level and secure before connecting the plumbing.

Contact Us Today!

Making a sink cutout in granite requires precision, patience, and the right tools. By following these steps, you can create a clean and polished sink opening that will complement your granite countertop’s beauty. If you need quality stone fabrication equipment, repair, or maintenance services, consider reaching out to MTE Bridgesaw. Our team of experienced technicians is ready to assist with all your stone fabrication needs, ensuring that your machines are running smoothly and efficiently. For more information and to learn how we can help you keep your fabrication shop in production, contact us today.