earthbag construction pdf
This page is about the excavation and construction details of the footer, foundation, and flooring for earthbag construction domes. For those who don’t know, earthbag building uses polypropylene rice bags or feed bags filled with soil or insulation that are stacked like masonry and tamped flat. From grade (and depicted below), the first 36” of excavation for the trench bearing the foundation wall (or stem wall) is simultaneously dug along with the interior floor that reaches 33” below grade and a total diameter of 19 feet. Here is a video showing how to do this: VIDEO COMING: CREATING AND USING YOUR BUCKET SHOOT/FUNNEL. The squared off shovel is best for cleaning out the trenches once the soil has been loosened by a pulaski, spade, or rounded shovel. Solid tires will last longer but they are typically more expensive. Your tape measure will be used throughout the project, on the opposite side of most of these, there is a clip that connects to your belt, to keep it close by. VIDEO COMING OF: PROPER PULASKI/SHOVEL TECHNIQUES – THIS SHORT DEMONSTRATION WILL SHOW HOW TO REDUCE BACK STRAIN, USE LOWER BODY STRENGTH WHEN SHOVELING, AND FOCUS ON PACING ONE’S SELF, SEE OUR HOW TO HELP AND/OR CROWDFUNDING CAMPAIGN PAGE TO HELP CREATE ALL THE TUTORIAL VIDEOS FASTER. The fabric is eventually secured by the barbed wire, pressure of the second course of foundation gravel bags, and rock at the base of the footer as indicated on the drawing above. stream Videos on my Earthbag Natural Building YouTube channel demonstrate the process. Often times the building inspection department is viewed as “the evil empire,” but their responsibility is to ensure safe construction and code compliance of whatever you are doing. Do NOT follow this link or you will be banned from the site! Scoria, commonly called lava rock, is very lightweight volcanic rock containing many air pockets, thus the insulative value. It is definitely in your best interest to be on good terms with them and demonstrate cooperation and your desire to work with the system. Because it's not for everybody or … But opting out of some of these cookies may have an effect on your browsing experience. The soil mix for earthbags is dependent upon the level of clay already existing in the soil. Paint tray and liner for concrete sealer. This is viewed at the 2:41-3:40 mark on this video. Dig a 3” wide perimeter trench 4” deep around entire interior perimeter, Lay down a 6-mil polyethylene vapor barrier, Install 3” wide x 10” deep x 8’ long sections of EPS edge insulation around interior perimeter, Use ½” gravel to build up a 4” gravel base, Set in wire welded fabric 2” above EPS by elevating it with small 2” high stones, Pour 4” of concrete* with expansion joints (control joints) 25% the depth of concrete. Earthbag Building suggest natural porous bags (hemp, jute, flax or linen) filled with dirt, stone powder and sodium carbonate or lime (or numerous other cement capable wastes). Securing a handle to the metal slider makes for a better tool and easier execution of this step as a whole. 2-gallon buckets are a convenient-sized bucket used to fill earthbags. We are working with different volunteers and consultants and often times there is no single correct answer.