Leader of Modular Building System in Asia and Thailand


Modular Building System
the future of construction

Modular construction is an off-site prefabricated building process. Our modular buildings are manufactured in a controlled environment of an international standard plant. The buildings are manufactured and delivered to the site as a “modules”, which is then installed together, placing side-by-side, end-to-end, or stacked on top of one another to create an unlimited design of the most sophisticated and highest quality building.

Our International Quality Standards
and Advantages

  • Capable of manufacture according to ISO and other international standards
  • Strength and safe due to the special design steel structure
  • Available in a complete unit (modular) and knock-down system building, flat-packed system
  • A building is completed in a factory for more than 90%
  • Able to design the withstand for the temperature of -30 °C to +50 °C (-24 F to +140 F)
  • Strong wind resistance up to Hurricane
  • Earthquake resistance due to special design steel structure
  • Able to design the fire resistance up to 180 minutes
  • Able to design the barrier for heavy snow in accordance with each local condition
  • Energy-saving due to special insulated material 
  • Transportation cost and erection cost saving
  • Able to be loaded and transported to site by truck, ship and or by air
  • Easy to erect and dismantle to move to another site
  • Able to design for erection without a crane or special tools (Knockdown / Flatpack Type)
  • Built-in reception system, gas, water pipe, drain-pipe, and including bio septic pipe
  • Easy to modify, install, add on, and move. In addition, it can be expanded with unlimited length and width and can also be added on up to eight stories or more.

Construction Time

The modular building will lessen up the construction time by multiple times compared to that of conventional construction.


Labor reducing, on-site material sequencing, coordination, and creates Single Point of Contact.


Reduce on-site waste and contribute to a better environment and future.

Turnkey service for the turnkey product

Our service is not limited to offering only the product, but our service starts from design & development until the after-sale service and the product guarantee.


All units are factory built with strict quality control and are 100% test with international standards to reflect our Zero-defect policy.


We have more than 20 years of experience in prefabricated buildings and modular systems.

Safer Construction

The indoor construction environment reduces the risks of accidents and related liabilities for workers.


Our products are Tailor-made; to meet customer’s requirements, and guarantee the best finishing look as every process is controlled by specialized tools, jigs, and mold.

Lucky Building System’s Modular Building System
has a wide variety of uses as follows:

Permanent Building

Permanent Building for long term usage
which can be built in 2 systems

Complete Unit System: Fast, factory quality and they are manufactured in the Modular Building System and time saving about 25-45% per project.

Knock-Down System: Different sizes from ISO marine container, therefore, they are manufactured in a knock-down system including a flat-packed system for transportation cost saving.

Temporary Building

Temporary Building for convenient relocation to various places; therefore, they are manufactured in a knock-down system including a flat-packed system.

Siam Steel International Public
Company Limited

Siam Steel International Public Company Limited, the listed company on the Stock Exchange of Thailand, is part of Siam Steel Group which is Thailand’s leading manufacturer of steel products. Our businesses dated from 1953.

The stability of the company has been proved with a 2005 Best Performance Award in the consumer products category from the Stock Exchange of Thailand.

Besides, Forbes has also included Siam Steel International Public Company Limited in its Asia’s 200 Best Under A Billion list.