There are however some disadvantages.
Can you undermount a top mount sink.
Which will could likely be the case with an under mount as they re designed to mount below not above the bench top.
It looks fine not great but fine.
Undermounts look like a more premium offering.
However a drop in sink can also be placed under the countertop to fit it like an undermount sink.
Our undermount stainless steel kitchen sinks do not have the installation holes already drilled and technically can be used in a top mount fashion.
Undermounts appear sleeker and more streamlined when installed underneath instead of on top.
Do what you need to support it so that the top of it is flush or slightly lower than your 3 4 roughtop.
Undermount sinks mount to the bottom of the countertop and are held in place by heavy duty clips and caulk or a special adhesive.
Don t make such a project out of it.
It s because all the areas you need to work of the drop in sink are visible and easily accessible.
The edge of the countertop along the sink cutout is entirely exposed.
Most any sink can be undermounted.
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.
An undermount sink does have a rim but the rim is not visible because it rests up against the bottom of the counter.
I usually rout the plywood 7 16 or so and add cleats on sides that will carry weight.
The main requirement is adequate support.
Most top mount sinks have a fairly thick rim more than that is obtrusive.
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.
Look at the bench top from side on to ensure that there s clearance.
However the accessibility and visibility provide you better cleaning facility.
Our gc had to install our undermount prep sink as a drop in in our oiled wood island.
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.
He wouldn t undermount it because he was certain the cut edges of the wood would rot.
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.