Bart1664 Posted February 7, 2021 Share Posted February 7, 2021 We have what I believe to be a granite worktop (shiny black stone) kitchen work top, could be something else but it's not timber etc. definitely stone of some sort. Anyhow, we need a new sink and we can't get a replacement. So we have found a reasonable quality stainless steel one however the inset/cut out of the existing hole needs to be enlarged to take this new sink by 5mm across the long edge. This could be 2.5 mm top and bottom or 5mm one side. The issue is can a DIY'er do it and if so how? I've seen a few tube videos showing grinding stones and diamond cutting discs - is this the way? Anyone done this? It will have to be cut/grinded in situ but don't want it cracking as to replace would be very costly I suspect. Advice/guidance welcomed. Link to comment Share on other sites More sharing options...
Makeitstop Posted February 7, 2021 Share Posted February 7, 2021 Unless you have good practical experience using power tools and your hands, I'd contact a granite / stone worker. Those guys dealing with stone worktops can sort this easily, so its better to pay to do it once and get it right. Link to comment Share on other sites More sharing options...
Bart1664 Posted February 7, 2021 Author Share Posted February 7, 2021 21 minutes ago, Makeitstop said: Unless you have good practical experience using power tools and your hands, I'd contact a granite / stone worker. Those guys dealing with stone worktops can sort this easily, so its better to pay to do it once and get it right. Well, I'm fairly confident and happy to 'have a go' but didn't know if it's something I should go at or leave to a professional if i could find one that would do it? Link to comment Share on other sites More sharing options...
Russell griffiths Posted February 7, 2021 Share Posted February 7, 2021 Cordless grinder, diamond blade, lots of water, lots of mess. I would have a go myself, but I’m a bit of a no guts no glory merchant, so I just get stuck in and wait and see if the shit hits the fan or not. 1 1 Link to comment Share on other sites More sharing options...
Makeitstop Posted February 7, 2021 Share Posted February 7, 2021 Is the sink a surface mounted one? If it's an undermount, get a pro to do it Link to comment Share on other sites More sharing options...
ProDave Posted February 7, 2021 Share Posted February 7, 2021 1 minute ago, Makeitstop said: Is the sink a surface mounted one? If it's an undermount, get a pro to do it I was about to say that. Don't even attempt it DIY if undermount, it has to look right. Link to comment Share on other sites More sharing options...
Makeitstop Posted February 7, 2021 Share Posted February 7, 2021 Surface mount is easy enough and you can go at it like Russell said above. Messy, but cheap. Undermount.... leave it to those with the gear and experience. Link to comment Share on other sites More sharing options...
Makeitstop Posted February 7, 2021 Share Posted February 7, 2021 The thing is, that it's not likely to cost that much to get a pro to sort it. Doing it yourself means you need the minimal tools to do it. 1 Link to comment Share on other sites More sharing options...
Bart1664 Posted February 8, 2021 Author Share Posted February 8, 2021 Thanks for the replies. It's surface mounted. There is a company local to us that fits granite tops so they may do adjustments too so I think I'll give them a call first and see if they can do it otherwise I'll haveto go buy the blades and stones and give it a go myself. Link to comment Share on other sites More sharing options...
Makeitstop Posted February 8, 2021 Share Posted February 8, 2021 32 minutes ago, Bart1664 said: Thanks for the replies. It's surface mounted. There is a company local to us that fits granite tops so they may do adjustments too so I think I'll give them a call first and see if they can do it otherwise I'll haveto go buy the blades and stones and give it a go myself. For what it'll cost you to get the gear, coupled with risks of going at it yourself, I would get a guy to do it. Cant be more than two hours work max, so may not be too costly. You could always speak to one of the fitters at your local place and see if they'd sort it one evening / weekend. Link to comment Share on other sites More sharing options...
SteamyTea Posted February 8, 2021 Share Posted February 8, 2021 (edited) All corner need to have a large radius, can you get a cutter that can do that i.e. is there enough stone to centre the cutter in the right place? I have a large angle grinder with a large diamond blade on it. Edited February 8, 2021 by SteamyTea Link to comment Share on other sites More sharing options...
Bart1664 Posted February 8, 2021 Author Share Posted February 8, 2021 6 hours ago, Makeitstop said: For what it'll cost you to get the gear, coupled with risks of going at it yourself, I would get a guy to do it. Cant be more than two hours work max, so may not be too costly. You could always speak to one of the fitters at your local place and see if they'd sort it one evening / weekend. Indeed, my thoughts now. Mrs B is contacting the local firm as I write. ? Link to comment Share on other sites More sharing options...
Big Jimbo Posted February 8, 2021 Share Posted February 8, 2021 You can have a crack at it yourself, as its a surface mounted sink which should hide your new cut edge. However, it is messy. For what it will cost you, get the pros in. Link to comment Share on other sites More sharing options...
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