I usually rout the plywood 7 16 or so and add cleats on sides that will carry weight.
Can you undermount a top mount sink.
We do not recommend this though because the flange or rim is flat which leaves a somewhat sharp edge and makes it hard to properly seal.
It looks fine not great but fine.
He wouldn t undermount it because he was certain the cut edges of the wood would rot.
Undermounts look like a more premium offering.
The edge of the countertop along the sink cutout is entirely exposed.
The main requirement is adequate support.
The answer is a top mount sink.
One of the many advantages of granite and quartz countertops in a kitchen is the unique option to undermount a stainless composite or cast iron sink.
Though the seam that s formed by the countertop and the lip is small and visible it can still build up grease.
Otherwise you ll possibly need to cut the bench top so as to fit both the sink and the strainer to ensure that there s a flush fit so as you can silicone the perimeter so as the water doesn t damage your new benchtop.
Most top mount sinks have a fairly thick rim more than that is obtrusive.
Usually undermount sinks are used for this purpose.
Do what you need to support it so that the top of it is flush or slightly lower than your 3 4 roughtop.
Look at the bench top from side on to ensure that there s clearance.
Our undermount stainless steel kitchen sinks do not have the installation holes already drilled and technically can be used in a top mount fashion.
There are however some disadvantages.
However a drop in sink can also be placed under the countertop to fit it like an undermount sink.
Undermounts appear sleeker and more streamlined when installed underneath instead of on top.
Don t make such a project out of it.
Most any sink can be undermounted.
An undermount sink does have a rim but the rim is not visible because it rests up against the bottom of the counter.
It s because all the areas you need to work of the drop in sink are visible and easily accessible.
Our gc had to install our undermount prep sink as a drop in in our oiled wood island.
There are a lot of people out there who love the look of their drop in sinks but also want to have an undermount sink design for their countertops.