TSE K 49

TSE K 49 concerns a lightweight panel wall system in which an expanded polystyrene insulation core is enclosed by steel meshes on both sides and those meshes are tied together with diagonal cross wires. The title clearly points to the product concept: the insulation material is not treated as a stand-alone board, but as part of a composite wall panel built around metal mesh layers. In practice, this places the product in the family of insulated building panels that combine thermal performance with panel-form structural behavior.

How the main components work together

Expanded polystyrene is a low-density thermal insulation material widely used in building products because it is lightweight, easy to shape and effective at reducing heat flow. Steel mesh, by contrast, provides continuity at the surfaces and, together with the diagonal ties, helps keep the panel geometry stable. The distinction matters: the polystyrene core primarily addresses insulation, while the steel meshes contribute to panel integrity and mechanical behavior.

Typical technical context for this kind of panel

In general building practice, systems of this type are used where fast installation, reduced weight and integrated insulation are important, such as prefabricated wall applications and lightweight enclosure solutions. By combining the layers into one factory-made element, the designer can coordinate insulation, surface support and wall build-up as a single system. The cited EN and TS references are associated in a broad sense with fire performance, insulation materials, dimensional measurement and laboratory competence in similar products, but this record does not provide clause-level test requirements or numerical limits for TSE K 49.

• It is a lightweight wall panel system.
• The insulation core is expanded polystyrene sheet.
• Steel meshes are linked by diagonal cross wires.
• The concept combines thermal insulation with panel action.
• It fits prefabricated and lightweight wall construction contexts.