Bust up a cast iron bathtub

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On Mon, 2 Jul 2012 08:37:30 -0700 (PDT), DerbyDad03

swing a hammer AT ALL. All you need is a couple half-assed hits, and the tub will shatter like a pickle jar.

Wrong tool. A pry bar splits sill easily. Even a chisel and an itty bitty 2lb hammer will do it. A sledge might not be the best tool for cast iron tubs either. The tub might be worth some money.
--
Vic

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On Mon, 02 Jul 2012 12:04:14 -0500, Vic Smith

swing a hammer AT ALL. All you need is a couple half-assed hits, and the tub will shatter like a pickle jar.

If it is a claw foot it can be worth a prtetty good amount. MOST cast iron "built in" tubs are worth a couple bucks as scrap.
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Well, where there was room to swing, the sledge worked with one hit to remove the sill.
The point of my post was that there is not always room to swing a sledge.
Perhaps some cast iron tubs are harder than others, but I recall trying to break up weird cast iron corner shower stall base with a friend. It took considerable effort. On the sides where there was not sufficient room to swing - like on the side facing the toilet - we had a very hard time figuring out an angle that gave us enough force. We bascially had to nipple away at already broken edges.
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Build up: to make larger, and bigger. Bust down: To make smaller.
If we're busting up a tub, are we making it bigger or smaller?
Christopher A. Young Learn more about Jesus www.lds.org .
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On Jul 2, 2:18 pm, "Stormin Mormon"

Before I started, I had 1 piece of cast iron.
Then I hit it with a sledge hammer and the number of pieces went up.
Therefore, I had busted it up.
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On Mon, 2 Jul 2012 11:00:49 -0700 (PDT), DerbyDad03

I never did it. All I can go by is by Youtube vids. Doesn't look as easy as some make it out to be. They all look like a big mess, and more swinging into small pieces as happened to you. Some of those guys in the Youtube vids shouldn't be swinging a sledge. But seems it's the preferred way for contractors who do a lot of them. I think I'd try cutting through most of it down the middle, then see if a pry bar and wedges (notice I like pry bars) could snap it into 2 pieces. Of course if I had any problem making cuts, or snapping it, or got impatient in any way, I'd just pull out the sledge and have it. We do know that works.
--
Vic

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Oren wrote:

This *plus* ear plugs and muffs. Smashing thin cast iron is *loud*.
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wrote:

Use a real right angle grinder with an abrasive metal cutting blade. Did that a while back to remove a bunch of old cast iron sewer pipe with my tool of choice, a Bosch 9" body grinder. The blade went through the cast iron like butter, and after a partial cut half way through, the sledge (5#) did the rest. Rent the better tool if you don't own one. It should be much safer to use.
Joe
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