I think you're referring to the thickness of your slab? Not a pro, but I think standard thickness for quartz and other counter materials is either 3cm or 2cm. That's centimeters, not inches. (A 3" thick slab would be very heavy and I've never heard of one that thick.) For a 3" edge, I believe the treatment would be as your pictures show, and your counters look very nice.

What does your contract say about slab thickness?

PS I love your back splash tile!

I think this what they do all the time.

If the slab was truly that thick, no one would be able to carry it inside, and your cabinets and flooring could not take the weight. That is how the edge is done if you want the thicker look...don't peak under ;)

There is no such thing as a three inch slab of any material man made or natural. You asked for a built up island top. You have a mitred edge If you look closely. That is what you have. Where is the structural support beneath the overhang on what appears to be a generously sized island? I also think three inches is too much in this application :) jmho

Hi!

The 2cm stone is approximately ¾ inch thick, ranging from 5/8 inch to 7/8 inch in thickness. The 3cm stone is approximately 1-3/16 inch thick, ranging from 1-1/16 inch to 1-5/16 inch in thickness.

What your fabricator did is a common technique also used with real stones like granite, marble and also quartz. They build up the edge or fuse the material together to give the exterior look of 3" ( stabilize the under edge with wood)

which would be outrageously heavy with full slabs of the material also fused, prohibitably expensive, wouldn't look any different and unnecessary since you get the same look by just building up the edge.

You'll appreciate the look of quartz, you’ll find it remarkably easy to maintain—unlike marble and natural stone, which require a special sealant and can be finicky to care for. Quartz contains 90 to 94 percent ground quartz and 6 to 10 percent polymer resins and pigments, combined to produce a granite-hard slab that can duplicate the look of mesmerizing marble swirls or earthy natural stone, without the maintenance. Quartz also resists scratching and cracking to a greater degree than many natural countertops, ranking a “7” in hardness on the Moh’s scale (developed in 1822 by Friedrich Moh to rate mineral hardness). Marble, in comparison, ranks only a “3.”

I wouldn't get upset by the underneath part of the edge, it's a design trick which we have been using for years. Enjoy your new kitchen it's lovely!

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I don't know anything about counter tops, but stopped by to say your kitchen is beautiful and I *love* your backsplash - what is the tile?

I am a fabricator. "There is no such thing as a three inch slab of any material man made or natural. " This statement is incorrect with respect to natural stone but it is true for quartz. Natural stone comes in many thickness for architectural, monuments, and interior applications like mantles. I recently did a project where the walls of a shower were 4" thick curved granite slabs. The unfinished block of stone was special order from Italy and took four months to get here. It was then cut into the slabs which made up the shower walls and polished by hand. The primary challenge for thick stone in interior applications is the handling and installation. It took considerable creativity to get the 8' long by 4" thick wall sections erected inside the bath.

This is likely normal. It looks great.

Yes fabricator, correct, but I believe we were speaking of common residential solid surfaces in kitchens or baths. . Not cemeteries, nor one carved out for a mantel /surround or a shower in the Taj Mahal.