According to the marble institute of america you can safely overhang granite that is 1 1 4 thick up to 10 without supports.
Marble countertop overhang.
Shop our countertop supports.
Ther countertop overhang is the part of the countertop that extends to cover the drawers and cabinets below.
Keep in mind that this is 1 inches over the front edge of the base cabinet.
Even leaving your brackets weakly fastened leads to inadequate countertop support.
However the cantilevered portion cannot be more than 1 3 the total width of the countertop.
Hidden support brackets for granite marble quartz silestone corian zodiaq recycled glass concrete and butcherblock countertops.
However there are many factors that might change this.
3 8 inch countertop overhang on a cultured marble counter and sink.
Alternatively a weak bracket may not support the weight of the countertop overhang.
However they must make sure that the countertop will support the weight of the stone especially at the point of the overhang.
The standard countertop overhang is 1 1 2 inches.
Many people like to create an overhang on their marble quartz or granite countertops to provide them with extra counter space.
Kitchen island countertop.
The original granite bracket are specialists in kitchen countertop support brackets.
The standard overhang for kitchen island countertops is 12 inches.
So we are ok on the first criteria but we exceed the 1 3 criteria by four inches.
Additional thoughts for a larger countertop overhang.
Standard countertop overhang is 1 inches.
It serves as a protection for the drawers from crumbs spills and other mishaps that may fall from the countertop surface.
1 1 2 inch countertop overhang with venetian gold granite tile.
While this is a small overhang it matches very well with the modern shaker style while still providing some protective measure against spills.