TSS's roofing profiles have been tested and have passed according to the international standard for metal roofing, 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 constantly works hard to improve our products, and ensure our technology meets the international standard.


With these results, we are 100% confident that our roofing will have 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