marble island countertop help!

6 years ago

My KD designed am island to have seating at the far end as there is not enough clearance to have seating on the back side of the island. Essentially something very similar to the photo here. I picked my marble and when my installer came to template he advised me that there is no way to span the marble from the last cabinet to the leg support 28 inches without compromising the integrity of the stone and cracking. My KD is now saying he never designed this kitchen for marble and had assumed I was using some other countertop material like quartz. The fabricators are saying that even quartz should not span that wide without proper support. One fabricator, recommended by my KD, is saying that the only right way to install this is to substrate the marble with a 3/4 mdf board and edge-band it to create a beefed up looking top. Needless to say, this is costing me double than an ordinary install. Any ideas/suggestions or help? Ty!

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Comments (5)

jackiep713
6 years ago
My GC told me of similar issue when touring his past jobs. He literally put three metal supports underneath (1 center, one on each end) and wrapped with wood. Would never have guessed if hadn't told me.
Sammie J
6 years ago
Your options, as I see them: 1) redesign the island; 2) continue as is and pay the extra cost. I'd closely review the specs created by your KD - there might be a way to come to a compromise on the extra cost if he made the mistake.
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PRO
The Kitchen Place
6 years ago
We do a ladder framework with designs like this and 3cm stone/quartz. This is just a pic I found online....we usually do it a little beefier than this...but you get the idea. With this, you don't need the molding applied to cover up anything.
Emily Gray
6 years ago
I have a quartzite countertop with a large table-style end on my island (which we are absolutely loving, by the way) and we have supports and Mdf underneath.

The overhanging part is about 5 feet and our installer/countertop company was completely comfortable with this.
John Mir
Original Author
6 years ago
Ty so much for this!