Installation FAQs
Installing Granite Counter Top
Building industry has been using granite for its various uses due to the nature of the stone, which is very durable and its harness property comes only after diamond. Due...
Frequently Asked Questions about Counter top Installation Process
How will I know if my old cabinets can support a new counter top?
Stone counter tops can weigh up to 30 pounds per square foot. At the time of measurement, Columbus Granite and Marble will make sure your cabinets are structurally sound to handle the weight of your new counter tops.
Will my countertop have a seam?
We try extremely hard to avoid seams if possible, but the reality is that the majority of countertops will have a seam no matter how hard we try.
How is the seam placement determined?
Seams are determined by Flintstone Marble & Granite depending on countertop layout, slab sizes, support needed, and material usage.
What do seams look like?
Seams are usually between 1/16" to 1/8" width. They are filled with epoxy. The epoxy is blended with a coloring agent to come as close as possible to matching the stone.
How long are the slabs, and can seams be avoided?
The average slab size for granite is typically 98" to 110" long by 55" to 68" tall. For Marble, Travertine and Soapstone your width is typically 60” by 50” tall. One to two inches are usually trimmed off of the edges for smooth square cutting. At Flintstone we will work with each customer to place as few seams as possible. Seams may be required based on slab size and may be needed to maintain the structural integrity of the countertop
How long can the pieces for my application be?
It is typically safe to have pieces that are approximately 6' to 8' long, depending upon the stone type and sink/cook top configurations.
What is the difference between 2cm and 3cm? And what is the most appropriate thickness for the tops?
The 2cm thick stone is approximately 3/4" thick. The 3cm is approximately 1 ¼” thick. We recommend using the 3cm for the kitchen countertops for both aesthetic reasons and structural reasons.
How much overhang can you have without supports, and what type of supports is required?
For 3cm stone, we recommend supports with overhangs that are 12" or greater. For 2cm stone, we recommend a cantilevered bracket or corbel that matches the cabinet. The brackets should be spaced every 3' to 4'.
Do I need to have my new cabinets installed prior to a field measure of countertops?
Yes. Cabinets must be permanently set and leveled prior to field dimension by the Flintstone measurement team.

