TSS's roofing profiles have been tested and passed according to the international standard and specially for metal roofing only by one of the most respectful universities in Thailand.

ASTM E1646 : Standard Test Method for Water Penetration of Exterior Metal Roof Panel Systems by Uniform Static Air Pressure Difference

Testing Chamber

Our R&D team has always been working very hard in order to improve our products and technology to meet the international standard.


With the result, we are 100% confident that our roofing will be ZERO leakage.



FM 4474 : Evaluating The Simulated Wind Uplift Resistance Of Roof Assemblies Using Static Positive And/or Negative Differential Pressures

Testing Chamber

Long Span Connector : Loading & Life time testing.

Testing Machine