Thermal calculations
The supporting structure can impair the insulation properties of a facade. Building regulations often specify minimum requirements for the transmission losses of a building. During construction or renovation, it must be demonstrated that a building meets these minimum requirements. By designing the structure properly, this risk can be minimized. To maintain optimal insulation performance, a wall bracket with a centric anchoring is often chosen to reduce the number of wall supports. Additionally, using supports with negligible thermal conductivity contributes to better insulation results. Based on a structural layout, we are happy to calculate the influence of the structure on the insulation value of the facade for our clients.
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Building Smarter with Less Heat Loss
The Benefits of Stainless Steel (RVS) Supporting Structures in Facade Systems.
When designing a ventilated and insulated facade, performance is key: aesthetics, durability, and especially energy efficiency. No matter how good the insulation is, the weakest link often determines the overall result. That weak spot is frequently found in an unexpected place—the supporting structure.
Aluminum is commonly used in many facade constructions as the supporting framework because it is strong, lightweight, and easy to work with. However, aluminum has high thermal conductivity, which often causes problems.
Thermal Bridges: Where Energy is Lost
Aluminum supporting structures create so-called “thermal bridges”—paths where heat is conducted from the inside to the outside with minimal resistance. This means valuable energy is lost through the fasteners and supports, even if the facade uses high-quality insulation.
Studies show that a significant portion of heat loss in a facade with aluminum supports occurs at these fastening points.
The Smart Choice: Stainless Steel (RVS)
This is why at IPEX, we increasingly favor stainless steel supporting structures. Stainless steel has a much lower thermal conductivity than aluminum, resulting in less heat loss, better insulation values, and ultimately lower energy costs for building occupants.
Additionally, stainless steel meets the demanding strength requirements of facade construction. It is durable, corrosion-resistant, and perfectly suited for use in harsh environments.
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