Cutting granite kitchen worktop insitu ?
Discussion
I cut my own granite, after buying a relatively basic Bosch angle grinder. It wasn't on-site, but it was more complex than a straight line cut as I was widening the hole for a bigger sink. It's actually quite an easy job. Angle grinder goes through granite like a hot knife in butter. It's quite a satisfying job really. As noted above it will utterly and completely dustify your kitchen though!
kryten22uk said:
I cut my own granite, after buying a relatively basic Bosch angle grinder. It wasn't on-site, but it was more complex than a straight line cut as I was widening the hole for a bigger sink. It's actually quite an easy job. Angle grinder goes through granite like a hot knife in butter. It's quite a satisfying job really. As noted above it will utterly and completely dustify your kitchen though!
Massive f
kup potential for a noob though!Saw a whole kitchen fitted out in slate by some guys who cut everything - sink cutout, drain grooves, mitre etc onsite using grinder and I thought it looked a bit DIY TBH but they were incredibly pleased with themselves. Mind that was their byword, bunch of bumpkins come to london cos they knew the owner from bumpkinville but think they need to large it up whenever speaking to a "london" tradesman with tales of how much money they'd made in their time and how they didnt need this job. Yeah right, thats why you're sleeping on a building site, proper high rollers. I honestly couldnt give a toss mate, now stop acting like you're 12.
I called about 8 different Granite places to try and get my worktop cut in situ - I needed the hob cutout enlarged - none of them were interested in the slightest. I ended up buying a good granite cutting disk for a 4.5" grinder and doing it myself. I did it dry. It was very messy, but the end result was exactly what I needed.
Hello,
I cut a hole in granite only last month for a mates mum to have a hob.
You need a grinder, doesn't have to be anything amazing TBH
What you do want is a good vanity blade (diamond disk if you will)
As it's a work top I'm assuming it's 30mm think check the blade is deep enougth, also you'll have to cut into wall a little to make sure you get all way through the granite.
Do not try and snap the end of if your not fully cut its an expensive mistake when goes wrong.
I'm assuming you have supporting cabinets each side, you don't want a bit of granite hanging in mid air.
Once cut you will have a very rough edge. And slight splintering on the top. If you want this polished then
You want some sanding pad ( diamond pads are better but your only doing a one off so not viable price wise) and sander.
A lot of people in industry use a FLEX ( it's a make ) sander with a Velcro head.
Start on 40 grit and work your way up, use a slow speed as you can kind of burn the granite and take your time. Put a small chamfered edge on top as you go up grades.
Even when at 1200 grit it may still look a little dull compare to top.
Polishing compounds ( they look like bars of soap) are what t use next but it's a bit OTT for a home effort
By the way I used to make and fit them as a young man
I cut a hole in granite only last month for a mates mum to have a hob.
You need a grinder, doesn't have to be anything amazing TBH
What you do want is a good vanity blade (diamond disk if you will)
As it's a work top I'm assuming it's 30mm think check the blade is deep enougth, also you'll have to cut into wall a little to make sure you get all way through the granite.
Do not try and snap the end of if your not fully cut its an expensive mistake when goes wrong.
I'm assuming you have supporting cabinets each side, you don't want a bit of granite hanging in mid air.
Once cut you will have a very rough edge. And slight splintering on the top. If you want this polished then
You want some sanding pad ( diamond pads are better but your only doing a one off so not viable price wise) and sander.
A lot of people in industry use a FLEX ( it's a make ) sander with a Velcro head.
Start on 40 grit and work your way up, use a slow speed as you can kind of burn the granite and take your time. Put a small chamfered edge on top as you go up grades.
Even when at 1200 grit it may still look a little dull compare to top.
Polishing compounds ( they look like bars of soap) are what t use next but it's a bit OTT for a home effort
By the way I used to make and fit them as a young man
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