Francesco Piazzesi, Echale a tu Casa
A compressed earth block machine maker.
The Adopress 5000 is a patented compressed earth block machine produced by EcoBlock International. The Adopress is designed to use local materials available in Mexican communities to manufacture the ‘Adoblocks’ and build stabilized adobe housing. The machines are provided to communities via programs from the social franchise programme – Echale a tu Casa – with a payment method aimed to help low income families pay for the product over time.
Echale a tu Casa, a social franchise program developed by EcoBlock International
Unknown. Echale offers payment to families willing to use their own manual labor to lower the price of implementation.
Families who do not have access to housing, medical, or any government assistance and earn between 1 to 4 times the minimum wage salary (150 USD to 597 USD) per month.
30,000 new homes constructed, 150,000 home improvements made since the company’s inception in 1985. No information on number of Adopress products distributed is available at this time.
Size of the tool / machinery
If the system is able to be transported to or between building sites
List of primary material(s) in the component produced
Ratio of raw material(s) to water
If the material production method requires compression
List of power sources
Measurement, calculated in cm, of the component’s overall dimensions
Completed units per hour
Time required for curing, if applicable
List of suitable climates for use of this tool/system
The Adopress 5000 produces Adoblocks which are made with soil, cement, cal and/or sand. The blocks are comprised of more than 90% local soil and serve as a natural insulation source and reduces reliance on heating and cooling devices.
The machine requires an electric, three phase motor or diesel 10 HP engine. Operation with 3 personnel can achieve daily production (i.e. 8 hour shift) of 1,500 (10 x 20 x 40 cm) or 2,200 (10 x 15 x 30 cm) Adoblocks.
Additional dimensions and weight not specified.
Families are trained by EcoBlock International technicians about the operation of Adopress. Echale offers technical assistance from start to finish to self-organized communities in order to promote sustainability after Echale leaves the community.
Unknown. The bricks are made from locally available materials.
According to the manufacturer, Adoblocks are 30-40% more resistant than traditional fired bricks or concrete blocks. Adoblocks also act as an insulation material due to the acoustic properties of the main raw material used: earth.
The machine was developed together with the Institute CRATerre and the University of Grenoble, France. Ital Mexicana S.A.
Graham, C., et al., 2005, Movement Coefficients of Compressed Earth Masonry Units. 10th Canadian Masonry Symposium. (Not peer reviewed)
Morony, J., 2004, Logged Data For Heat Wave, Preliminary report. (Not peer reviewed)
Graham, C., et al., 2001, Soil Block Home Construction. BTEC Sustainable Buildings III Conference. (Not peer reviewed)
Echale requires a minimum of 30 families to express interest in order to take part in the project. Echale’s approach involves setting up a local housing committee that holds regular meetings to develop a housing program, interact with other stake holders and replicate a social franchise. By creating this committee, Echale hopes to promote the sustainability of the product and community.
Echale works with the National Housing Commission (CONAVI), the Federal Mortgage Trust (SHF), the Houseing Institue of Campeche (INVICAM), and a local NGO Impulsac, however no awards/certifications are listed from these entities.
Highest score amongst B Corp honorees for Best for the World 2013. Echale is a GIIRS pioneer, a B-Lab corporation, a Schwab Foundation, entrepreneur, and an Ashoka Fellow.
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