Can You Cut A Quartz Countertop?

Quartz countertops are an extremely popular choice for kitchen and bathroom remodeling projects due to their durability, aesthetics, and ease of maintenance. However, many homeowners wonder if quartz can be cut to customize the shape or make room for sinks and cooktops. The good news is that quartz countertops can be cut, but there are some important factors to consider.

What Is Quartz?

Quartz countertops, sometimes called engineered stone, are made from ground natural quartz crystals combined with polymer resins and pigments. The resins bind the quartz particles together to form a durable, non-porous slab. Quartz is one of the hardest minerals, so countertops made from it are very scratch and stain resistant.

Can You Cut Quartz Countertops?

Yes, quartz countertops can be cut to custom shapes and sizes. However, cutting quartz requires specialized tools and techniques, so it’s not a DIY job. Here are some key things to know about cutting quartz:

Use a Professional Fabricator

Cutting quartz produces a lot of dust and requires a wet saw with a diamond blade. Fabricators have the right tools, expertise, and facility to cut quartz cleanly and accurately. Attempting to cut it yourself risks cracking the slab or creating weak spots.

Cut Before Installation

The ideal time to cut quartz to size is before installation. It’s extremely difficult to cut once installed, and you may damage the countertop or surrounding surfaces. Your fabricator can make all necessary cuts and holes for sinks, faucets, and cooktops at their shop.

Follow Seam Placement Rules

Quartz cannot be seamed everywhere. There are limits on how close seams can be to sinks, cooktops, corners, and edges. Your fabricator will know the proper design and seam placement rules to follow.

Expect Some Limitations

There are some quartz shapes that are too complex or detailed to cut precisely. Your fabricator may recommend alternatives if certain curved cuts are not feasible.

Planning Is Crucial

Work closely with your fabricator so they can plan all the cuts before slabs are ordered. Some designs may require multiple slabs. Advance planning ensures you get the look you want.

Cutting Options for Common Features

Quartz fabricators can make a variety of precise cuts so that your countertops are tailored to your kitchen or bath design.

Sink Cutouts

Cutouts can be made for undermount, drop-in, and vessel sinks. Edges will be polished for a finished look.

Faucet Holes

Holes can be cut for faucets. The fabricator may recommend reinforcement to prevent cracks from metal braces expanding.

Cooktop Cutouts

Standard or custom openings can be made for cooktops and ranges. Cuts may be limited by proximity to cabinets and edges.


Quartz can be cut vertically for backsplashes. Pieces are often adhered to a substrate for support.

Niches and Backbars

Small recessed areas behind sinks or as drink ledges can be cut out of quartz slabs.


In summary, quartz countertops can definitely be cut to custom shapes and sizes. But the cutting must be done by an experienced professional fabricator with the right tools. With good planning and communication, your fabricator can cut quartz to create the unique look you want for your space while following all necessary design and installation guidelines. This ensures your quartz countertops not only look beautiful but remain strong and durable for many years.

Frequently Asked Questions About Cutting Quartz Countertops

Can I cut quartz countertops myself?

No, it is not recommended to cut quartz countertops yourself. The specialized diamond-bladed saws required plus the risk of cracking the slab make professional fabrication strongly advised.

Does cutting quartz weaken it?

With proper cuts by an experienced fabricator, the integrity and durability of the countertop should remain intact. Poor cuts can create weak spots or cracks.

Can any angle or shape be cut into quartz?

There are limits on some curves and angles based on the physical properties of quartz. A fabricator can advise if a desired design is possible. Extremely tight radii may not be an option.

Can you cut quartz after installation?

It is extremely difficult and not recommended. The countertop must be removed, cut in the fabricator’s shop, and reinstalled. This risks damaging the quartz and adjacent surfaces.

Does quartz need to be sealed after cutting?

No, quartz does not need to be sealed. Its non-porous surface resists moisture and staining even after cuts are made. However, seams may need to be filled for visual purposes.

Can sink or cooktop cutouts be changed later?

While possible to alter cutouts, it requires removing and replacing the entire quartz countertop. This process often leads to a visible seam or damage, so any changes should be thought through carefully.

What can be done about cracks after cutting?

Small cracks or chips after cutting quartz can often be repaired by an experienced fabricator. Larger cracks may require replacing that section of the countertop if cracks extend through the full thickness.

Do I need reinforcement for cutouts?

For small holes, reinforcement is usually not needed. But for larger sink, cooktop, or range cutouts, reinforcement brackets may be installed to prevent cracking from the weight and movement.

Can I cut quartz myself with a circular saw?

Absolutely not. A circular saw cannot provide the clean, precise, wet cuts needed. Using improper tools risks uncontrolled cracking or shattering of the quartz slab.