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 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.
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.