How to prepare a building site, which is on solid, lava rock with a steep slope?
To build on solid lava rock that is inclined you might have to build up a perimeter stemwall with earthbags to create a level base for your house, and then fill this in with soil to make the floor level. Q: I’m building a compost toilet and I’d like to do it with earth bags. There is plenty of large stone near and I’m wondering about using it down to the frost line and on up a good three feet for a stem wall. Now, I’m not sure it will be a benefit to use the stone or just do a gravel foundation and start with bags at ground level…just trying to use what’s here. If I use the large stone I wonder if I can do the foundation part without cement or rebar? A: Either stone or earthbags could be used for such a foundation. I would expect the earthbags to be easier and go faster. If you use the stone, it is customary to mortar a stone foundation into place, so there is no danger of slippage or settling later…but rebar is usually not necessary, especially for a small toilet room. Q: I am bui
