Updated on October 20, 2021


Created on May 27, 2016

BLM-12-8M by EarthTek Inc.

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The BLM-12-8 series by Earthtek Inc. are three gasoline-fueled, manual and automatic brick-making machines with a single axle for highway transportation.

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Product Description

The BLM-12-8M by Earthtek Inc. is a manually controlled brick-making machine with a single axle for highway transportation. It can produce up to 2 bricks per minute. Its 6HP engine is fuelled with gasoline and can generate a pressure of 10MPa on the bricks.

Distributors / Implementing Organizations

The manufacturer requires potential customers to contact them to receive a quotation for the product.

Manufacturing/Building Method

Machines are built to order. The way that the earth construction and these machines work are introduced in this video.

Intellectural Property Type


User Provision Model

A user can contact EarthTek Inc. to receive a quote or purchase the product. The unit can be crated economically for shipping. Interview with manufacturer

Distributions to Date Status

Approximately 200 units have been distributed by 2019. Interview with manufacturer

System Dimensions


Portability (yes/no)

Raw materials used

Earth, Sand, Cement

Recommended water content (ratio)

6 – 10

Induced pressure (Mpa)

Finished unit dimensions

Rate of production (units/hour)

Curation duration (days)


Suitable climate

Not suitable for cold climates unless necessary vapor barriers and insulation can be added. On their own, ISSBs and CEBs do not hold up well to freeze/thaw cycles and have a low thermal insulation capacity.

Design Specifications

Design specifications::

  • Production Rate: up to 2 blocks per minute.
  • Block Size: 10x20x30 cm (width adjustable to 5cm)
  • Engine: 6 HP gasoline-fueled engine
  • Controls: Manual
  • Hydraulic Components: Prince, Barnes; available worldwide
  • Hydraulic Oil Filtration: 10 microns
  • Pressure to Block: up to 10 MPa
  • Single axle for highway transportation
  • 6-10% water content
  • 20-70% Clay content
  • Training not required but suggested by the manufacturer

Technical Support

The manufacturer offers consultation, training, and project management by contract and will train a customer to use the machine if they come to their facility in New Mexico, USA. A trained general technician can most likely repair the product.

Replacement Components

Spare tires, wheels, and axles are available with purchase.


The life span of the machine is directly proportionate to the abrasiveness of the dirt used for compression. EarthTek estimates 50,000 - 500,000 blocks/life. All machines have a 1-year warranty.

Manufacturer Specified Performance Parameters

Performance expectations: Reliable, inexpensive engines, simple hydraulic and control systems, able to use a wide variety of soils to build homes, barns, storage sheds, fences, retaining walls, and more.

Vetted Performance Status

The only vetting performed is through customer experience and feedback.Interview with manufacturer


Blocks require specific material amounts and ratios to ensure proper strength and durability values. Water content, clay content, and sand content are important values that need to be evaluated during construction to avoid accidental failure of the structure.

Complementary Technical Systems

A 1.5 or 3-meter gravity conveyor belt can be purchased with the machine.

Academic Research and References


Compliance with regulations


Other Information


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