Do what you need to support it so that the top of it is flush or slightly lower than your 3 4 roughtop.
Can you use a top mount sink as an undermount sink.
Most top mount sinks have a fairly thick rim more than that is obtrusive.
Many sinks will use metal clips or similar to help secure the sink to the substrate make sure they re gone or it ll be a pain in the posterior to install you could be really tricky and flushmount the sink.
Avoid if at all possible.
As for sink material the industry standard for an undermount sink is stainless steel made popular because of its low price point and because it s.
Don t make such a project out of it.
An undermount sink gives a more.
Undermounts appear sleeker and more streamlined when installed underneath instead of on top.
When a granite and quartz installer fails to use a mechanical sink attachment like clips rails or brackets to secure the sink to the countertop silicone adhesive is generally the method.
The edge of the countertop along the sink cutout is entirely exposed.
I usually rout the plywood 7 16 or so and add cleats on sides that will carry weight.
The main requirement is adequate support.
Undermounts look like a more premium offering.
On the other hand as their name suggests undermount sinks are inset into the cabinet below and end up sitting slightly lower than the benchtop surface.
Though it can be difficult to retro fit a countertop with an undermount sink because it needs to be exactly the right size it s much easier to do when you install both parts simultaneously.
Overmount sinks otherwise known as drop in or top mount sinks are inserted into a hole in the benchtop their weight supported by a lip resting on top of the benchtop.
Sink delamination and failure.
Have the hole cut about 1mm bigger all the way around and recess the sink so the stainless steel lip is exactly level with your benchtop.
An undermount sink does have a rim but the rim is not visible because it rests up against the bottom of the counter.
Hygiene top mount sinks are sealed to the countertop with silicone creating a bead that s tough to keep clean.
Because they are installed underneath the countertop the sink rim does not show.
There may be issues with creating a proper seal to avoid leaks.
It s technically possible most likely.
Here are the top 3 problems with undermount sinks and how to avoid them.
However since it s designed to be mounted under the counter it probably won t have a finished flange and you ll be looking at screws poking out around the edge every time you do dishes.