Jansen systems provide excellent insulation values (up to the passive house standard). Steel lasts for an extremely long time and is an enormously durable solution since it is 100% recyclable. For this reason, it satisfies the cradle-to-cradle principle.

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In steel windows, the welded joints provide great rigidity to the structural elements. This makes it possible to span relatively large dimensions with small profiles. The modulus of elasticity for steel is three times higher than that of aluminium. Steel can be used to achieve huge spans without expansion joints.

Demand is increasing for window systems with better insulation. Jansen developed the Janisol® HI series for this. This profile series combines the advantages of steel with the passive house standard.

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