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Downcycling old terra cotta roof tiles

 
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Can old terra cotta roof tiles be crushed down back to powder, spread on the ground, and reused as soil? Thanks.
 
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I'd say yes.
Personally, I'd put them on a path or driveway and let them crush down on their own.
Or have a "blow your stress, break these tiles!" party :D
 
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If I remember correctly, terra cotta was a component of terra preta.  If I had access to it, I would certainly add it to my soil.
 
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I use them as my bed borders. They are hard to break up, but a car would help.
 
Trace Oswald
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Tereza Okava wrote:I use them as my bed borders. They are hard to break up, but a car would help.



i wonder if throwing a bunch of them in a cement mixer would break them up?  If the terra cotta wouldn't break up by itself, maybe throw in 4 or 5 big rocks with it?
 
Pearl Sutton
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Trace Oswald wrote:

Tereza Okava wrote:I use them as my bed borders. They are hard to break up, but a car would help.



i wonder if throwing a bunch of them in a cement mixer would break them up?  If the terra cotta wouldn't break up by itself, maybe throw in 4 or 5 big rocks with it?



I think if I were going to try that I'd do it in a cement mixer I didn't mind killing. They aren't that tough, in my experience.  
 
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What about using the broken up bits as aggregate in cement as a replacement for gravel?
 
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