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Old 10-26-2011, 12:56 PM   #1
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Blade for jigsaw


What kind of blade should I get to cut through cement board? I need to cut a hole for a toilet.

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Old 10-26-2011, 03:08 PM   #2
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Blade for jigsaw


There are special cement board blades, I have one that actually has no teeth, just a sintered diamond surface. Works well. Wear a dust mask when you cut concrete, the dust is really bad for your lungs.

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Old 10-26-2011, 03:27 PM   #3
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Blade for jigsaw


would I be able to buy it at HD or Lowes? is it called some specific? or just a cement board blade?
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Old 10-26-2011, 05:52 PM   #4
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Blade for jigsaw


I bought mine at Lowes, no doubt they are available at any big box store or a well stocked hardware store. You will probably need a holesaw to get started with the cut, make sure you get a holesaw blade designed to cut concrete. You can also use a cement cutting drill to get started.
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Old 10-26-2011, 06:15 PM   #5
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Blade for jigsaw


Look in the blade section at any store---Remington carbide grit--

If you don't mind killing a couple of blades---a standard blade will cut it but will die young.
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Old 10-27-2011, 05:32 AM   #6
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Blade for jigsaw


I was going to drill a pilot hole to fit the jigsaw blade in with a drill. Any kind of special bit I need to buy as well?
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Old 10-27-2011, 05:46 AM   #7
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Blade for jigsaw


If this is Durrock---or a cement board like it---Just tap a hole into it with a hammer or screw driver--

Any old bit will go through it.

The hole doesn't have to be perfect--the thinset will take care of any raggidy edges.

In Durrock I use a circle cutter with a wheel (designed for drywall) --I cut a circle on both sides of the rock---slash an X into the circle with a knife---then gently tap the circle out with a hammer.

Takes less than 1 minute----

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