TSS manufactures roofing systems from high-strength steel

(G550 MPA), utilizing the TSS Connector and Double Seam System with

electric roll formers. This method eliminates the need for sheet piercing, reducing leakage risks. Tested and certified to ASTM E1646 and FM Approval 4471 standards, ensuring excellent durability against high wind conditions.FM Approvals certifies products and services with a unique focus on:Objectively testing property loss prevention products and services and certifying those that meet rigorous loss prevention standards.



Encouraging the development and use of FM Approved products and services that improve and advance property loss prevention practices.