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I have a number of long limestone bricks leftover after breaking down a large limestone planter. They're 2.5"x4", vary in length from 6" to 18", and some are mortared together. I'd like to cut them into 6" lengths and reuse them for a landscaping barrier. I already have a 10" jobsite table saw and a 7.25" worm drive circular saw.

Is my best bet to buy a segmented diamond blade for my circular saw and cut the bricks wet? Is it safe to use a 10" diamond blade on a table saw? (I haven't seen any mention of this online)

user1445709
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    Do not wet cut with a saw not designed for wet cuts. If you have to dry cut, wear a mask and use a vacuum to capture the dust stream. – K H Apr 11 '21 at 06:35
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    Cutting masonry on a regular circular saw will also destroy the saw before long. – whatsisname May 09 '21 at 23:33

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Something like this https://www.harborfreight.com/4-12-in-turbo-wet-dry-masonry-diamond-blade-68878.html and good angle grinder, at least 7.00 amp and dig about 1/4” all 4 side and little tap with small hammer would do the job. You have to rest brick (one being cut) on two bricks on the edge.

Hemant Surti
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  • Any reason to prefer the angle grinder over a circular saw? Easier to control? – user1445709 Apr 09 '21 at 22:06
  • Circular saw is okay. You can use it same way as circular saw, I mean scoring 1/4” all around and smacking with Mallet – Hemant Surti Apr 10 '21 at 10:00
  • @user1445709 the roughness of the stone/brick will quickly tear up the sole plate of your circular saw, so you'll be replacing the saw much sooner than you would probably want to. – FreeMan May 10 '21 at 13:13