
How to make ECO or interlocking bricks? - Blog - Brick ...
2. The soil -cement mixture must be used up within one hour. 3.3 Checking the moisture of the mixture . 3.3.1 Squeeze the soil -cement mixture into a ball . 3.3.2 Drop the ball from waist high . 3.3.3 As what shows in the photo. Second one is the best to make ECO bricks and blocks. 3.4 ECO bricks .