How to Cut / Polish Undermount Sink in Granite by Hand

A quick tutorial on how I like to cut and polish an undermount sink in granite, quartz or marble. Can be a little tricky at first, but becomes easier the more you do. If your new to handsaw cutting, just stay farther away from your finished cut line and grind it back later. Takes more time this way, but keeps you from going to far or chipping beyond the tape line.

This can also be done without water, but for me, I have to watch my dust intake after this many years in the stone business. Stone dust isn't the best to breath in.

Saw and polisher are Alpha brand
Polishing discs are Viper Elites ( In my opinion - These are the best pads I have used yet)

Recording and editing By: Jay Zagar

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[DonnaAndCats]

Not only does the work look good, but these videos are so well put together too! Very artisanal. Who knew I'd want to sit here and watch someone cut a hole in stone? Beautiful!

[MUFFDIVERU]

Hands down the best step by step video on how to do this. Thank you

[bmwof-texas]

A few years from the original video post date and I come to the very same conclusion as some other viewers.
Nicely put video, straight to the point, no beating about the bush.
Thanks much!

[jamesshupe]

Funny how a pro at one thing is a pro at other things. What a great job on the stone, also the video. Keep up the GREAT WORK!

[GaussianBluff]

These videos are super useful, thank you so much for sharing! Bought a used kitchen recently that came with some beautiful slabs of granite and I've been procrastinating on the sink cutout, but now I have at least some idea of what to do.

Gotta practice on the scraps first but watching you has been a big help, I really appreciate it.

[yakodak]

Great organization, planning, video, music, and editing working! Wish all Youtube videos were like this one!!!!

[seventwenty]

Great video, thank you very much!
Every question I had was asked by viewers and answered. This is with under 100 comments. Amazing.

[kallenyc]

Great video & comments! Thank you!

[therandomreal]

Yosu do really good on your videos man, hope you the best with your channel!

[rossajordan]

Great work! Although I will say it’s much easier to cut using an angle grinder. I cut my corners first then straights. Shape with blade and grinding wheel then polish. All in all good video bro!

[chrissukala]

great video, question how did you get it polished like the top? I have almost same color but can't get it polished enough went from 50 to 6000 grit. maybe my speed is to slow. any suggestions

[ForrestRomRamey]

2 Quick questions: what was the white tape you were using? Looks a lot better than blue painters tape once things get wet. Do you also hand bevel the bottom of the slab where the sink mounts? Thanks for the great video, much better made than others I have watched.

[marclamarre]

Great Video! - Just wished you showed how to undermount and secure the sink to the granite

[bludika]

Funny that my granite top looks just like this! But Just curious, I got the same granite for my kitchen, and it currently houses a 33 inch wide under mount stainless steel sink in a 60/40 size, has like an S shape cut out at the top section, I want to change it too a rectangular 33 inch drop in sink, how much would it cost to have a specialist to just cut the existing granite to the opening to fit the new 33 inch drop in sink? It seems like the top and corners just need to be cut

[beachhouse]

Hello Jay, long time not chat! Just watched your cleaning quartz video. Very nicely done video! Mr. Clean magic eraser is also a miracle stain remover as you may already know. Question for you. In a large island needing a seam, other than matching veins in the manufactured quartz, is there any reason you cant get a nice seam over about 36" width in the middle of the island. Any concerns about bowing over such a large cut resulting in a gap and slabs not being perfectly flush at seam? Any thoughts are appreciated. Thanks man!

[foodparadise]

Fcuk yea, this is the best video on the subject, no bulshiit...

[ukvipsat]

What is the name for this gorgeous kitchen tap? Is it poasible to drop a link here. Thank you...

[babyyoda]

Did you put metal/fiberglass bar support?

[douglaspollock]

Do you have a link for the Viper Elite polishing pads? It’s mentioned in your video description but there’s no link. I would appreciate it. Thank you for the video!

[godbluffvdgg]

So, a sawzall won't work? Now, ya tell me!...:)... Also, polishing with my palm sander just didn't work... Sweet cutout, The wet saw to rough out corners was awesome To!