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ferrocement for a wicking bed?

 
pollinator
Posts: 1559
Location: Denver, CO
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I have been building an urbanite raised bed, which is going to be a wicking bed eventually. Looking at the pointy concrete chunks, I think that an EPDM liner would end up in trouble. What if I put mesh against the walls and bottom and troweled cement over them? This would also be cheaper then a plastic or rubber liner, and less likely to be toxic.

To see what I am doing, follow this link to my permies project thread. https://permies.com/t/39202/projects/pics-models-project-advice-criticism#315610
 
Posts: 3375
Location: Kansas Zone 6a
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It should work, with a good rich mortar mix. You might not even need the mesh for most of it. Your urbanite has plenty to bite onto.

Worst case, you have made a smooth liner for the EPDM.
 
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dry stack retaining wall
https://permies.com/t/85178/dry-stack-retaining-wall
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