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Old 09-22-2009, 12:00 AM   #1
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what is the method to cut my concrete patio slab


my patio slab has too many curves, i want to cut the slab making it a straight line. also, is it wise to do this or should i just remove the whole thing. it's about 10'x15' approx. 4" thick. can anyone give me some advice. thanks.

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Old 09-22-2009, 01:14 AM   #2
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what is the method to cut my concrete patio slab


You can rent a walk-behind concrete saw at a tool rental center.

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Old 09-22-2009, 07:04 AM   #3
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what is the method to cut my concrete patio slab


we'd probably snap lines & hit it w/a demo saw altho my back may be younger than yours,,, at least i wouldn't have to worry about any annulus on THAT job
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Old 09-22-2009, 12:31 PM   #4
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what is the method to cut my concrete patio slab


You want to rent something like this, at the very least.



CAUTION: These can be very dangerous to operate, make sure you read the safety manual first.
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Old 09-22-2009, 01:17 PM   #5
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what is the method to cut my concrete patio slab


Something to keep in mind too... You've got to get rid of that concrete. We hadn't considered that when we ripped up some concrete on the side of our house. Just having it hauled away cost us like $500. Add in the rental of the jackhammer and the time it took me to hammer it out, we should have just had it all done by a sub... Live and learn.
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Old 09-22-2009, 03:56 PM   #6
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what is the method to cut my concrete patio slab


And it may have rebar inside, unless you poured it... and can remember... To expose the rebar to water is not recommended.
I've never seen a saw that clean, only in the movies.
Be safe, Gary
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Old 09-22-2009, 04:25 PM   #7
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what is the method to cut my concrete patio slab


Quote:
Originally Posted by GBR in WA View Post
And it may have rebar inside, unless you poured it... and can remember... To expose the rebar to water is not recommended.
I've never seen a saw that clean, only in the movies.
Be safe, Gary
I have, but only until we started it........................
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Old 09-22-2009, 07:02 PM   #8
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what is the method to cut my concrete patio slab


using the walk behind machine or the circ saw, do i need to make any relief cuts prior to going to work? thanks
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Old 09-22-2009, 07:57 PM   #9
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what is the method to cut my concrete patio slab


any relief cuts neccessary prior to?
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Old 09-22-2009, 08:07 PM   #10
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what is the method to cut my concrete patio slab


I,m not quite sure if I understand the question. Are you talking about control joints because this is a brand new patio, or due you mean "relief cuts" to remove the additional sections you don't want. If the latter, no, as a saw this size will cut deep enough to cut through the entire slab thickness. A circle saw will only cut 1/2 way through, at very best.

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