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I am thinking about buying a concrete cutting chain saw, I am wondering who here is using one, and what to look for.

I need to cut through 12" thick poured concrete foundation walls, each job requires approximately 12 linear feet to cut. How long should this take, and how any of these could I do per chain before needing replacment?

I have a demo saw and can use that to precut as much as I can to save chain life, and speed up the cut time for the chainsaw, any other tips?

Does anyone own their own chain, and rent the machine?

Thank you
 

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I'm a Mac
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Look for a rental shop that carries it, chain life is not great on them and very expensive.

I own one, I only bought it because the job itself paid for the tool and a few chains and a replacement bar.

If your quick cut can't do the job is recommend hiring out to someone with a wall saw...unless of course you can get a couple grand buried in the job to cover the cost of the saw and it's needed replacement parts.
 

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I just posted about my concrete saw in another thread in the Concrete subforum, but I originally bought it 10 years ago or so after renting one cast about $400 with the chain wear. I'm pretty sure I bought the saw with bar and chain for about 4 times that.

As for 12 lineal feet of 12" foundation wall, I'd guess about an hour to 1.5, as long as you pre-cut the line with a hand held saw. If you can get your hands on a "fat blade" that's as thick or thicker than the chain (about .220") it will speed up your cutting because it won't pinch the chain as easily. Obviously, the straighter the initial cut and the less rebar, the faster it will saw as well.

If you're potentially doing 5 jobs like this a year, you can justify the ~$2000 investment IMO........
 

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