Creating a Post Consumer Life & Homestead in
Truth or Consequences, New Mexico. Making Our Own Fuel, Power, Food & Medicine, Building Materials and Domestic Goods since 2006.
I am going to make a ferrocement self-irrigating planter. Do you have any advice on how logistically it should go together (what kind of wire mesh do I use, how many layers, what kind of mix for the cement, etc, etc)?
I usually use expanded metal lath. The lightweight stuff that has 3/4" diamond spacing and should cost less than $7 per 8' x 28" sheet. We use a laminated ferrocement technique which is usually a layer of lath, a layer of cementer mortar, a layer of lath and a layer of cement mortar. This creates a extremely strong / load bearing structure. I like to make a jig out of wood and line it with garbage bags to hold the form.The mix will be one of portland cement and sand. You can do a 1:1 by weight. I usually mix in 5 gallon buckets so 20lbs cement, 20lbs sand and 1 gallon of water makes a reasonable mortar.http://www.flickr.com/photos/11461247@N02/2452874379/in/photostream/You have some cold weather up there so keep it covered and misted for up to three weeks if you can wait that long.
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