A new dimension for construction, saving both money
and time because it does not require support.

General Features

This corrugated plank is a new product created and developed by the skilful engineers with consideration on quality, standards, and delicacy accumulated from over 20 years of our experience in order to make this product has the ultimate efficiency and excellent properties.

Pre-stressed concrete “Three Legs” is the first and only type of slab in Thailand. designed for use in accordance with the standards E.I.T.1009-34 is able to resist fire for not less than 1 hour.


This corrugated plank is strong and able to support the load as demanded by structural engineers and designers therefore it is safe for residents.
This corrugated plank requires no skid therefore it helps to reduce the problems related to termites if it is installed on the downstairs. Generally, this kind of installation requires skids because they are unable to be removed and this is the cause of termites that will expand to other areas of buildings or houses.

Cost Saving

This corrugated plank is specially designed to support the weight of corrugated beams with a thickness part of 7 centimetres that are over than general precast planks. Such features enable corrugated plank to be able to be installed without any skid helping to save money and time spent in construction.

To support more weight or in the event of SPAN with a length over 3.00 meters, there should be temporal skids for supporting at half of the length of each plank. In addition, these skids are also able to be used for adjusting all planks to be even during concrete topping.