Thursday, April 9, 2015

An Earthbag Round House For Less Than $5,000

Earthbag-House
Looking for a very stable design which does not only come cheap from the start but also makes you save money in the long run. Due to its shape and materials used, the earthbag house has less area than your normal home, so it’s cheaper to keep it supplied with energy. Don’t be scared if you never built circular structures before, because the example shown here used a technique called the compass arm which you can easily learn. Recycled or salvaged materials were used wherever it was possible, like in the door or on the floor. The tutorial has photos showcasing almost each step of the building process so if you decide to replicate the project, use it to help and guide you along the way. At the end you will have the comfort of 450 ft² with less than $5,000 spent overall.

Earthbag-House-2Starting on the rubble trench foundation. Railroad ballast was used for the rubble.
Earthbag-House-12
Earthbag-House-14Covering over our sediment fabric with pea gravel.
Earthbag-House-15Two rows of stem wall – 80 lb sack concrete. 2 strands of barbed wire go between every row. The thing in the middle is our building compass, made from chain link parts, used to keep the walls round and level.
Earthbag-House-16Firewood used to hold the barbed wire in place. The row of gravel bags going in.  When tamped, they are about 2 inches thick.
Earthbag-House-18Door frame up.  The bottom layer of bags are double bags filled with gravel to keep water from wicking up into the walls.
Earthbag-House-19A strip anchor to hold the door in place. Filling a bag with a mix of clay soil from on-site and “screenings” from a gravel quarry.
Earthbag-House-3
Earthbag-House-20Mary Jane and Morgan on right
Earthbag-House-4The little window near the camera will also be a cold storage in the winter. Note our first lintel over window in back.  This keeps the wall stable over an “open” area such as a door or window.


Earthbag-House-21Ropes in wall are to tie down joists when we put the roof on. Note flue through which stove pipe will exit the wall.


Earthbag-House-22
Earthbag-House-23Center post.  Locust wood.
Earthbag-House-24
Earthbag-House-5Plywood going on.
Earthbag-House-25First roof layer – 6 mil poly. Water proof tape to join sheets.  We also put silicone caulk to help seal it. Cardboard layer (for a little extra insulation ).
Earthbag-House-26
Styrofoam (saved from dumpsters) bags sealing between joists with chicken wire for plaster over them. Hose separates earth and cement plaster.  Cement wicks water up.
Earthbag-House-27

Earthbag-House-6
Earthbag-House-7
Earthbag-House-28
Earthbag-House-8
Earthbag-House-9
Earthbag-House-10
Earthbag-House-29Our house was looking rather like a cupcake. The loft in all of it’s glory with queen sized futon on top and office underneath .

No comments:

Post a Comment