How to create Compressed Earth Blocks

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Protective Equipment

Ensure that everyone has basic protective equipment particularly dust masks. The dust can cause many health issues throughout the process.

Soil Screening

Using fine metal mesh the soil of the site can be sorted through the mesh to sift out the pieces that are too large. It will also sort out rubbish or other articles in the soil.

Mixing

In small batches thoroughly mix up 2 parts soil to 1 part binder (cement/lime). Then mix in minimal water until the mix is starting to hold if you form a ball in your hands

Pressing

Add the soil mixture into the manual press and use the lever to form a dense block.

Drying

Once pressed, stack the blocks in a spot without direct light. Then cover the stack in a plastic tarp. The blocks will need to stay drying for 21 days before they can be used.

Testing

Test the durability and quality of the bricks before using them in the building. Test resilience in water contact. Also test for cracks and whether the block rumbles.