Three centimeters is the preferred thickness for both quartz and granite countertops for most countertop fabricators designers and architects.
Thickness of plywood under granite countertop.
If the 3 cm material is black then try even 12 just don t let your kids play under it.
It offers the most durability size flexibility and color options.
Because a granite tile must cover the face or front of the counter as well many granite tile counters will be approximately 1 inch thick in total.
Ultimately they will be stronger and more refined.
Sometimes we laminate two pieces of 3 cm material together and in turn require 3 cm of plywood buildup.
When installing granite countertops you will not need an underlayment of plywood if the granite has a thickness of 3 centimeters about 1 1 4 inches.
3cm material can go directly on top of the cabinets without the need for plywood support.
Whether or not a plywood build up is required depends on the edge detail.
Strips of the same type of plywood cut to 4 inch widths should be glued or screwed to the edges of the countertop to strengthen this area making it twice as thick as the rest of the countertop.
Plywood used as a finished worktop surface should be 1 8 or inch material which should be thick enough for durability.
The type and thickness of plywood you use depend on the weight and type of the finish material.
You can use a variety of types of products as finish materials when building counter tops ranging from granite slabs and tiles to butcher block wood ceramic tile and marble tiles.
Their 33 extra thickness means you do not need plywood under your granite countertops or extra lamination.
However for granite with a thickness of 2 centimeters about 3 4 inches you will definitely need to use plywood for support.
As for overhang depth 4 for 2 cm and 8 for 3 cm is fair.
6 cm thick granite countertops.