I'm hoping to build an earthbag root cellar and I am trying to figure out what the best way to parge the outside would be. I am planning on having about 6' of it underground (with butresses). I also am thinking a french drain at the bottom would be helpful.
In general, I'd be tempted to either wrap the sub-grade part in an epdm liner, or extend the gravel bed for french drain right up the side of the buried portion of the wall to grade. A lot depends on the particulars, though. How's your soil? Do you have enough slope that you can take a french drain from 6' below grade to daylight with relative ease? Can you site the thing out of runoff flow?
posted 8 years ago
Not too sure on the soil yet. I'm planning on going about 3' down below grade and then using fill to berm 3' above grade. I don't have enough slope to drain to daylight. I was thinking about draining to a gravel pit.
I've tried to attach a pic to give an idea.
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