From looking at the underside of the counters i can see that the edges are unfinished.
Convert top mount sink to undermount.
Undermount clips offer additional support from underneath the countertop.
If soap stone you can create some kind of small frame to support the sink and the countertop will just go above it.
370 x 270mm bowl.
You will have a little wiggle room given that you have a lip but it might be harder than you think as undermounts have few standard sizes look and these are not the exact.
If you can find one that is close to spec all that you have to do is drop it in and secure with silicone.
Like other posters said the price of undermount is unjustified considering how easy it is to take a top mount sink and convert it into an undermount.
The clips attach the top frame of the sink to the undersides of the countertop to ensure that the sink is secured into place.
I knew my client wanted an undermount sink and he recently purchased one our local granite company recommends that they only come out to measure for the stone with exact cutouts and undermount sinks in place.
You would have to uninstall the granite top in order to cut out the plywood to the correct size for the new sink.
Some installers use an adhesive that makes it almost impossible to get the top off in one piece.
Under mounting a top mount sink installer gets advice on mounting a new fangled hybrid mounting sink.
I currently have a top mount stainless steel sink and granite counter tops.
Disconnect plumbing connections using a wrench and unscrew by hand.
I have found some undermount sinks at the right dimensions that include a draining tray but i can t undermount as i m getting a laminate benchtop.
How to reattach an undermount kitchen sink.
An undermount sink does have a rim but the rim is not visible because it rests up against the bottom of the counter.
When purchasing undermount clips buy at least eight clips to hold the sink firmly.
All the slim sinks i ve found a very small and i don t think would be very functional in a kitchen.
The edge of the countertop along the sink cutout is entirely exposed.
Turn off the water supply to the sink.
Then if granite you can epoxy the sink right to the countertop.
Yes an undermount sink can easily be converted to a drop in sink.
It s possible but risky to change the top mount sink to an under mount sink.
In this video ask this old house plumbing and heating expert richard trethewey offers undermount sink support by helping a homeowner reattach an under the counter kitchen sink to a granite countertop.